🇻🇳 Vietnamese phrases

How to Say "Be careful" in Vietnamese

The SPAIKING TeamJuly 27, 2026
cẩn thận
"Be careful" in Vietnamese · say it like kahn thahn

The most natural way to say "Be careful" in Vietnamese is cẩn thận. Tap the speaker above to hear it, then say it back out loud. That is the fastest way to make it stick.

Other ways to say it

hãy cẩn thận
more formal way to say it
cẩn thận nhé
casual and friendly tone

When to use it

You can use this phrase when you want to warn someone about potential danger or to remind them to be cautious. It is appropriate in both formal and informal situations. Use it when giving advice or instructions.

Say it out loud, get corrected

Reading it is not the same as saying it. Practice "Be careful" and thousands more with an AI coach that listens.

Examples in Vietnamese

VietnameseEnglish
Đi đường cẩn thận nhé.Be careful on the road.
Cẩn thận khi sử dụng dao.Be careful when using the knife.
Common mistake
Learners often forget to use the correct tone when saying 'cẩn thận', which can change the meaning.

The fastest way to remember it

Vocabulary you only read fades fast. Vocabulary you say out loud sticks. Hear cẩn thận, repeat it a few times, then use it in a real sentence. SPAIKING lets you practice exactly that, speaking Vietnamese with a coach that corrects your pronunciation in real time. You can start with two free conversations.

Frequently asked questions

When should I use 'cẩn thận'?

Use 'cẩn thận' when you want to advise someone to be careful in various situations.

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