劍橋詞典

a signal that tells you that a dangerous or difficult situation has ended
險(xiǎn)情解除信號(hào)；警報(bào)解除信號(hào)
The police gave us the all-clear and we drove on. 警察向我們發(fā)出險(xiǎn)情解除的信號(hào)，我們繼續(xù)開車前行。 返回 the all-clear