cash in (something)orcash (something) in:to obtain money for (something that you own)把…兑为现金
She cashed in her stocks.她把她的股票兑成了现金。
cash in an insurance policy兑现保单
2
a cash in on (something):to take advantage of something in order to make money靠…赚钱
The magazine is planning to cash in on the hype surrounding the celebrity's wedding by publishing exclusive photos of the ceremony.这家杂志计划独家发布那位名人婚礼庆典的照片并进行炒作,以此赚钱。
Carpenters cashed in on the construction boom.木匠们靠建筑业的繁荣赚钱谋生。
stores cashing in on Christmas靠圣诞节赚钱的商店
b cash in:to make money from something从…赚钱
He is going to cash in big [=make a lot of money] when he sells his house at the beach.他将出售海边寓所,想借此大赚一笔。