Demoing your work is one of the highest-leverage speaking moments for any developer or tech lead. Sprint reviews, product showcases, investor updates — these are the moments where your work either lands with impact or gets lost in technical details. Most Vietnamese engineers know how to BUILD great things. The challenge is presenting them in English with confidence and clarity.
🗣️ Key Phrases to Say Out Loud
Practice these phrases until they feel natural. Say each one aloud three times before your next demo.
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“Let me walk you through what we built.” /lɛt miː wɔːk juː θruː wɒt wiː bɪlt/
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“The problem we were solving was…” /ðə ˈprɒbləm wiː wər ˈsɒlvɪŋ wɒz/
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“Here’s what the user sees when they…” /hɪərz wɒt ðə ˈjuːzər siːz/
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“We chose this approach because…” /wiː tʃoʊz ðɪs əˈproʊtʃ bɪˈkɒz/
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“The results speak for themselves.” /ðə rɪˈzʌlts spiːk fər ðəmˈsɛlvz/
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“Any questions before I move on?” /ˈɛni ˈkwɛstʃənz bɪˈfɔːr aɪ muːv ɒn/
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“I’d love to get your feedback on this.” /aɪd lʌv tə ɡɛt jər ˈfiːdbæk ɒn ðɪs/
📚 Vocabulary
showcase /ˈʃoʊkeɪs/ — giới thiệu/trình bày nổi bật “We’re here to showcase what the team built this sprint.”
stakeholder /ˈsteɪkhoʊldər/ — bên liên quan “Make sure all key stakeholders are aligned before the demo.”
walkthrough /ˈwɔːkθruː/ — hướng dẫn từng bước “Let me do a quick walkthrough of the new feature.”
seamlessly /ˈsiːmləsli/ — trơn tru, liền mạch “The migration happened seamlessly — zero downtime.”
compelling /kəmˈpɛlɪŋ/ — thuyết phục, hấp dẫn “Frame the problem in a compelling way before showing the solution.”
takeaway /ˈteɪkəweɪ/ — điều cốt lõi cần nhớ “The main takeaway: we reduced load time by 60%.”
🎯 Practice Now
The 3-Part Demo Framework
This is the structure professional presenters use. Say each part aloud as you read it.
Part 1 — The Problem (30 seconds):
“Before I show you what we built, let me set the context. Our users were experiencing [problem]. Every time they tried to [action], they hit [frustration]. This was causing [business impact]. We needed to fix this.”
Part 2 — The Solution Walkthrough (2 minutes):
“Here’s what we built. [Screen/feature appears] When the user arrives at this page, they’ll notice [change]. Let me click through… As you can see, [result]. We made this decision because [reason]. The technical approach was [brief explanation].”
Part 3 — The Results (30 seconds):
“Since we launched two weeks ago: [metric 1], [metric 2], [metric 3]. The results speak for themselves. We’re proud of this one.”
Practice Script — Sprint Review Demo
Read this aloud, then adapt it to your own sprint:
“Good morning everyone. I’m [name] and I’ll be presenting the highlights from our sprint. We completed [N] story points this sprint with a focus on [theme]. Let me walk you through the three main deliverables. First up: [feature 1]. The problem was [X], and here’s what we built… [demo]. Any questions on this before we move to the next item?”
⏱️ 5-Minute Drill
Say each sentence aloud 3 times, then record yourself once:
- “Let me walk you through what we built this sprint.”
- “The problem we were solving was response time — users were waiting over 3 seconds.”
- “Here’s what the user sees when they open the dashboard now — it loads in under 800 milliseconds.”
- “We chose this approach because it required no schema changes and zero downtime.”
- “The results speak for themselves — 60% faster, zero complaints this week.”
Demo Mistakes to Avoid
Starting weak: Don’t say: “So, um, this is our new feature…” Say instead: “Let me show you what we built.”
Over-explaining technical details: Focus on user impact first. Move to technical decisions only when asked, or briefly after the demo.
Rushing through: Pause after each key point. Ask: “Does that make sense?” Silence feels long to the speaker but gives the audience time to process.
Apologizing for bugs or gaps: Skip known bugs unless they are critical to the demo. Always demo the happy path first.
Why This Matters
When you present your work with structure and confidence, you do three things at once: you communicate results clearly, you build trust with stakeholders, and you position yourself as someone who understands the business — not just the code.
The 3-part framework (Problem → Walkthrough → Results) works in sprint reviews, investor demos, team showcases, and cross-functional meetings. Master it once and use it everywhere.
Today’s word: showcase — start using it in your next demo.