off guard片语

毫无防备、措手不及

The question about her divorce caught her completely off guard.

关于她离婚的那个问题让她完全措手不及。

趁人不备、出其不意

He asked for a raise when his boss was off guard.

他趁老板没有防备的时候要求加薪。

松懈、放松警惕

Just a few seconds off guard, and the thief was gone.

只松懈了几秒钟，小偷就不见了。

不设防的、未加防备的

The magazine published an off-guard photo of the actress.

那家杂志刊登了一张那位女演员毫无防备时的照片。