中英成語俚語800對(duì)162：攻其不備

　　攻其不備

　　Take one off his guard.

　　To catch a weasel asleep.

　　eg：The sudden attack took the enemy napping and ran.

　　中英俚語俗語來源：孫子·計(jì)篇："攻其不備，出其不意。"

　　同義詞：乘虛而入 Swoop down upon.

　　反義詞：鳴鼓而攻之 Beat a charge.