be on (your) guard idiom
C2 警惕，提防；警戒
to be careful to avoid being tricked or getting into a dangerous situation
You always have to be on your guard against pickpockets. 你得时时提防扒手。
| 词汇 | be on (your) guard |
| 类别 | 英译汉、英汉双解翻译词典 |
| 释义 | be on (your) guard idiom C2 警惕，提防；警戒 to be careful to avoid being tricked or getting into a dangerous situation You always have to be on your guard against pickpockets. 你得时时提防扒手。 |
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