注意する vs 用心する
Japanese word comparison
Listen to 注意する
Listen to 用心する
| 注意する | 用心する |
|---|---|
choo-EE-su-ru verb (suru-verb) | ようじんする (yōjin suru) verb (suru-verb) |
| to pay attention to; to be careful; to warn | to be cautious; to take precautions; to be on guard |
How they differ
用心する emphasizes ongoing vigilance or preventive measures against risk, whereas 注意する often addresses paying attention or giving a warning in the moment. 用心する implies active steps to avoid danger, not just noticing or being told to be careful.
When to use each
When to use 注意する: Use 注意する for a general admonition or to tell someone to pay attention in a specific situation.
When to use 用心する: Use 用心する when advising someone to take precautions or to stay alert over a period of time (e.g., against theft, scams, or repeated risks).
Side-by-side examples
- 夜道では注意してください。
(Please be careful on the road at night.) - 夜道では用心してください。
(Please be cautious/take precautions on the road at night.)
Register & nuance: 用心する is neutral to slightly formal and focuses on precautionary action rather than casual warning.