Good morning! ☀️ It’s Sunday — time to slow down, look back, and make sure this week’s lessons actually stick.

Repetition is how language learning works. Today we review the Top 5 Words & Phrases from the past 7 days, reinforce your pronunciation, and do one final challenge to close the week strong.


🗓️ This Week at a Glance

DayTopicWord of the Day
Monday💻 TechnicalDeprecate
Tuesday🤖 AI & Machine LearningHallucinate
Wednesday🏗️ ArchitectureResilience
Thursday / Friday💼 Professional & CareerConstructive
Saturday💬 Social EnglishMingle

⭐ Top 5 Words of the Week


1. 🔴 Deprecate — /ˈdep.rɪ.keɪt/

Vietnamese: đánh dấu lỗi thời, không còn được khuyến khích sử dụng

Origin topic: Monday — Technical English

“This API endpoint has been deprecated and will be removed in the next major release.” “We need to deprecate the old authentication method before migrating users.” “The team added a warning message whenever a deprecated function is called.”

Quick tip 🔊: stress is on the FIRST syllable — DEP-ri-kayt. Many learners say dep-ri-KATE — that’s wrong!

🔗 Resources:


2. 🟣 Hallucinate — /həˈluː.sɪ.neɪt/

Vietnamese: ảo giác (AI: bịa đặt thông tin trông có vẻ thật)

Origin topic: Tuesday — AI & Machine Learning

“The LLM started to hallucinate facts that weren’t in the training data.” “We added a retrieval layer to reduce the chances of the model hallucinating.” “If you push an LLM beyond its knowledge cutoff, it tends to hallucinate confidently.”

Quick tip 🔊: four syllables — ha-LOO-si-nayt. The stress is on the second syllable.

🔗 Resources:


3. 🔵 Resilience — /rɪˈzɪl.i.əns/

Vietnamese: khả năng phục hồi, tính bền vững (hệ thống hoặc con người)

Origin topic: Wednesday — Architecture

“We designed the service with resilience in mind — auto-retries and circuit breakers included.” Resilience testing revealed that our database had a single point of failure.” “The team praised her resilience after the production incident was resolved so quickly.”

Quick tip 🔊: ri-ZIL-ee-ence. Don’t say “re-si-LI-ence” — that shifts the stress incorrectly.

🔗 Resources:


4. 🟠 Constructive — /kənˈstrʌktɪv/

Vietnamese: mang tính xây dựng, có ích, hữu hiệu

Origin topic: Friday — Career & Growth / Professional Communication

“Please keep your feedback constructive — focus on what can be improved.” “It was a constructive conversation; both sides left with clear action items.” “She always finds a way to turn criticism into something constructive.”

Quick tip 🔊: con-STRUC-tive. The “-struct-” part rhymes with “truck”, not “brook”.

🔗 Resources:


5. 🟢 Mingle — /ˈmɪŋ.ɡəl/

Vietnamese: giao lưu, hòa đồng, hòa nhập vào đám đông

Origin topic: Saturday — Social English

“The networking event is a great chance to mingle with engineers from other companies.” “She’s naturally shy, so mingling at parties takes a lot of energy for her.” “After the demo, the team was encouraged to mingle with the investors.”

Quick tip 🔊: MING-gul. Short, two syllables. Don’t add extra syllables — it’s not “ming-ga-luh”.

🔗 Resources:


🔊 Pronunciation Review: Read Aloud 3×

Practice this sentence that naturally uses four of this week’s words:

“When the model started to hallucinate, we applied a constructive approach — building resilience into our retrieval system — and then mingled with users at the demo to gather live feedback.”

Pacing guide:

  1. 🐢 Slow — focus on each word’s stress
  2. 🚶 Normal — natural rhythm
  3. 🏃 Fast — aim for fluency without dropping syllables

📝 Exercise 1 — Fill in the Blank

Fill in the blank with the correct word from this week:

deprecate | hallucinate | resilience | constructive | mingle
  1. “We plan to __________ the v1 endpoints once all clients migrate to v2.”
  2. “The chatbot started to __________ product specs that didn’t exist in our database.”
  3. “Building __________ into the system means it can recover from partial failures automatically.”
  4. “Her __________ feedback helped the team fix three bugs before the sprint review.”
  5. “Try to __________ with the new hires at the welcome lunch — make them feel included.”
✅ Show Answers
  1. deprecate — marking the old API as no longer recommended
  2. hallucinate — generating confident but false information
  3. resilience — the system’s ability to recover from failures
  4. constructive — useful, improvement-focused feedback
  5. mingle — socialize and connect with people in a group

📝 Exercise 2 — Translate to English

Translate these Vietnamese sentences into natural English:

  1. “Chúng tôi đã đánh dấu hàm cũ là lỗi thời và thông báo cho tất cả các nhóm.”
  2. “Mô hình đôi khi bịa đặt thông tin khi câu hỏi nằm ngoài dữ liệu huấn luyện.”
  3. “Tính bền vững của hệ thống đã được kiểm chứng qua nhiều lần sự cố sản xuất.”
  4. “Hãy đưa ra phản hồi mang tính xây dựng, đừng chỉ chỉ trích.”
  5. “Anh ấy rất giỏi giao lưu — anh ấy khiến mọi người cảm thấy thoải mái ngay lập tức.”
✅ Show Answers
  1. “We deprecated the old function and notified all teams.”
  2. “The model sometimes halluccinates when the question is outside its training data.”
  3. “The system’s resilience has been proven through multiple production incidents.”
  4. “Please give constructive feedback — don’t just criticize.”
  5. “He’s great at mingling — he makes everyone feel comfortable right away.”

💡 Bonus: Idiom of the Week

”Hit the ground running”

Vietnamese: bắt đầu một cách nhanh nhẹn và hiệu quả ngay từ đầu, không cần thời gian làm quen

“She hit the ground running on her first day — already shipping code by noon.” “We need someone who can hit the ground running; there’s no time for a long onboarding.”

This idiom came up naturally this week in the Career & Growth lessons. It’s one of the most common expressions in job interviews and performance reviews. Use it!


🎯 Weekly Challenge — Do This Today

Your Sunday Action:

Open a notes app and write one paragraph in English about what you did this week. Try to use at least 3 of the 5 words above naturally in your paragraph. Read it aloud once when done.

Example starter:

“This week was intense. We had to deprecate two old services while dealing with a model that kept hallucinating customer data. I tried to stay constructive in our team retro and even managed to mingle with the infra team at the all-hands…”


These channels will reinforce everything you practiced this week:

ChannelWhy Watch ItBest For
TED Talks TechnologyReal professional speakers, diverse accentsVocabulary + listening
FireshipFast-paced tech English in real contextTechnical vocab + pacing
English with LucyClear pronunciation, RP accentPronunciation drills

🌟 Closing Thought

“You don’t learn a language by studying it — you learn it by using it.” — Benny Lewis, Fluent in 3 Months

Five words. Five days. One week closer to fluency. See you Monday for a fresh week! 🚀


⏱ Estimated practice time: 20–25 minutes 📅 Next session: Monday Morning — Technical English

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