(caught, caught /kɔːt/) ●have/be caught with your ˈhand/ˈfingers in the tillused to describe a situation when sb is stealing money from their employer在工作的地方里偷钱 ●ˌcatch ˈon(used about a product or an idea) to become popular with people（指产品或想法）受欢迎◆Electronic greetings cards are catching on quickly.电子贺卡很快流行起来。◆The idea never really caught on.这种想法从未真正深入人心。 (informal) to understand or realize sth理解，认识（某事）◆Consumers have caught on to the superior quality of DVDs.消费者已经认识到数字影碟优越的品质。●ˌcatch ˈup (with sb/sth) (BrE also ˌcatch sb /sth ˈup) to reach the same level or standard as sb/sth that was bigger, better or more advanced赶上，达到（某水平）◆The supermarket chain is rapidly catching up with its rivals.这连锁超市正迅速迎头赶上其竞争对手。