| 单词 | off his guard |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔guard〕The question seemed to catch him off his guard.这个问题似乎让他措手不及。牛津搭配Seeing the opponent was off his guard, the boxer landed a knockout punch. 乘对手不提防，那拳击手一下子把他击倒了。译典通 |
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