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- drop one's guard; be off one's guard 丧失警惕
- Don't be off guard! You mustn't tell anything to him. 不要失去警惕，你一定不要告诉他任何事情。
- If you should be off guard, you would double the loss. 如果你粗心大意，你一定会加倍损失。
- I was off my guard and made no suitable reply. 我没提防，因此没有作出适当的回答。
- The speaker got off one or two very amusing jokes. 发言者讲了一两个很有趣的笑话。
- The old sailor reeled off one story after another. 老海员滔滔不绝地讲了一个又一个故事。
- lower one's guard; be off one's guard 丧失警惕
- If you should be off guard,you would double the loss. 如果你粗心大意，你一定会加倍损失。
- He ripped off one end of the envelope and pulled out the letter. 他撕开信封的一端，抽出里面的信件。
- My wife is expecting me at home. I must be off now. So long! 我妻子正在家等着我呢。我必须要走了。再见！
- The murderer killed the patient when the nurse was off her guard. 趁护士疏忽，杀人犯把病人杀死了。
- The practice of playing off one great power against another is not new. 挑拨一个强国对抗另一个强国并不是什么新的手法。
- The comedy tine was cut out as being off side. 笑料由于低级趣味而被删去。
- His action are so irrational that I think he must be off his chump. 他的行为毫无理智，我认为他一定是疯了。
- 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。
- A parent who played off one child against another. 让一个孩子与另一个孩子相斗的家长
- Seeing the opponent was off 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。
- We are off one day. 我们休息一天。
- He read back the list of name to me, and I checked them off one by one. 他把名单给我再念一遍，我一一进行核对。
- The address they mentioned was off the record. 他们提到的那个讲演是不可引用的。
