catch² n [C] 1 the act of catching something that has been thrown or hit 〔对拋出、打出的东西〕抓，接: That was a great catch! 那球接得好！ 2informal a hidden problem or difficulty 【非正式】 潜在的困难; 隐患，陷阱，圈套: The rent is so low there must be a catch. 房租那么便宜，当中一定有些古怪。 3 a quantity of something that has been caught, usually fish 〔常指鱼的〕捕获量: a large catch of tuna fish 捕获的大量金枪鱼 4 a hook for fastening something and holding it shut 挂钩; 锁钩