How to Say ‘Be careful (casual request)’ in Japanese
気をつけて
ki o tsuke te
[kee oh tsoo-keh teh]
💬 Usage Tip: [気をつけて] is the casual “Take care/Be careful.” To make it polite for strangers, say [気をつけてください].
🇯🇵 In Japan: If a stranger helps you, you usually wouldn’t say casual [気をつけて] to them unless the vibe is friendly; [お気をつけください] is more polite and common in service settings.
Phrase Breakdown
気
ki
[kee]
attention; care
In the phrase 気をつけて, 気 refers to “attention/care.” The whole expression means “Be careful.”
夜は気をつけて地下鉄の駅まで歩いてください。
At night, please be careful as you walk to the subway station.
を
o
[oh]
object marker “o”
Marks 気 as what you “apply” in the idiom 気をつけて (be careful).
足元を気をつけて。
Watch your step.
つけ
tsuke
[tsoo-keh]
attach/apply (stem)
The stem of つける; appears before て to form the te-form つけて in 気をつけて.
気をつけて渡ってください。
Please cross carefully.
て
te
[teh]
te-form ending (request/connection)
Makes a te-form, often used for soft requests or set expressions like 気をつけて (“Be careful”).
気をつけて行ってください。
Please take care on your way.
Get the Full Learning Experience
This lesson is just a preview. Download PrettyFluent to practice pronunciation, roleplay conversations, and master vocabulary with spaced repetition.
Pronunciation Feedback
AI-powered speech recognition to perfect your accent
Spaced Repetition
Retain vocabulary long-term with smart practice
Immersive Roleplaying
Practice real conversations with AI partners
Custom Scenarios
Request lessons tailored to your specific needs
What Learners Are Saying
“Teaching in Osaka and I wanted to connect with my students beyond the classroom. The everyday conversation scenarios made my Japanese feel natural, not textbook-y.”
Mia S., 25, English Teacher
“Moved to Tokyo and the polite vs. casual speech levels were killing me. This app breaks it all down with real scenarios. My coworkers noticed the difference in weeks.”
Kevin Z., 31, Game Developer
“I tried five different apps before this one. The roleplay conversations are what finally made things click. I actually remember what I learn now.”
Sofia R., 31, Marketing Manager