take sb unawares

• 出其不意； 乘人不备

take sb unawares的用法和样例：

例句

1. They sneaked up on him unawares.
   他们偷偷地出其不意地挨近了他。
2. The Argentines have said subsequently that they were taken unawares by the attack.
   阿根廷人事后曾说，这次袭击对他们是出其不意的。