英语俚语：to be caught with one's pants down
英文释义：in a situation that embarrasses you
Pants就是人们穿的裤子。因此，按字面来解释，to be caught with one's pants down就是一个人在裤子掉下来的情况下被人发现。作为俗语，它的意思就是当一个人正在做坏事，做可耻的事的时候被人发现了。
例句: The road commissioner was arrested today for taking a bribe from the contractor he hired to build the new highway. He was caught with his pants down, on video tape showing him accepting the money.
那个负责公路的专员今天被逮捕，因为他接受一名营造商的贿赂。那是他雇用来建造那条新公路的营造商。他在接受钱的时候被人录像录了下来，当场抓住。
