不警惕;不备;

He had a way of throwing her off guard with his charm when she least expected it.
他往往趁她最没有心理准备时发动魅力攻势,令她措手不及。
来源:《柯林斯高阶英汉双解学习词典》The Indians came out unexpectedly, catching the soldiers off-guard.
印第安人突如其来地出现,令士兵们猝不及防。
来源:《柯林斯高阶英汉双解学习词典》The lawyer's apparently innocent question was designed to catch the witness off guard.
律师看似不经意的问题是为了使证人措手不及。
来源:《牛津高阶英汉双解词典》A heavily armed guard of police have sealed off the city centre.
一队全副武装的警察已经封锁了市中心。
来源:《柯林斯高阶英汉双解学习词典》纳米英语 · 双语娱乐资讯

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