1、let off 让…下车[下船]; 引发，引爆; 放掉[过]; 免除;。

2、例句The theatre management kindly let me off a couple of performances to go to Yorkshire.剧院经理们很体谅地同意我休演几场，抽身到约克郡去；Because he was a Christian, the judge let him off。由于他是基督徒，法官便对他从轻发落。