off-guard

常见例句

Don't be off guard! You mustn't tell anything to him.
不要失去警惕，你一定不要告訴他任何事情。
If you should be off guard, you would double the loss.
如果你粗心大意，你一定會加倍損失。
Seeing the opponent was off guard, the boxer landed a knockout punch.
乘對手不提防,那拳擊手一下子把他擊倒了。
Caught off guard, the competition never caught up.
其競爭對手在未加提防情況下遭受重擊,因而永遠無法趕超。
He struck me while I was off guard.
他乘我不備打了我。
His purpose is to catch us off guard.
他的目的是想讓我們失去警惕。