GbEng
现在,我们应乘机反攻。 We should seize the opportunity to counterattack.
他乘机利用她的无知和单纯,这种做法是不光明正大的。 He takes advantage of her ignorance and simplicity; it isn't cricket.
只因为莫尔不能为自己辨护,米尔便乘机攻击他,这是不公正的。 It was unfair for Mill to attack More just because the latter could not answer( him) back.