| 短语 | catch / throw sb off guard |
| 释义 | catch / throw sb off guard to surprise someone by doing something that they are not ready to deal with趁某人不备，使某人猝不及防:•Senator O'Hare was caught off guard by the question.奥黑尔参议员猝不及防，一下就被这个问题给问住了。 |
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