catch someone red-handed

當場逮到

to catch someone in the act of doing something wrong

什麼時候用？

指在犯錯的當下被抓到。

情境：有人偷吃冰箱裡同事的午餐，被你當場看到。

She was caught red-handed taking the money.

她拿錢時當場被抓個正著。

The teacher caught him red-handed cheating.

老師當場抓到他作弊。

He was caught red-handed sneaking out.

他偷溜出去時被逮個正著。

152 個高頻慣用語，四種題型加上間隔重複，
讓它們真的留在腦子裡。