cash² v [T] to exchange a cheque for money 把〔支票〕兑现: Do you cash traveller's cheques? 你们这儿兑换旅行支票吗？
cash in on sth to get advantages from a situation 利用: The suggestion that they are cashing in on the tragedy is completely untrue. 他们利用惨剧来赚钱的这种联想是完全错误的。