catch on   (TTS發音)

1. become popular；be done or used by many people 流行；受歡迎；被很多人接受

    This novel caught on well. 這本小說深受歡迎。

    It's a nice tune and will catch on quickly. 這首曲子很好，不久就會流行開來。

    If only the idea could catch on，we should be able to make quite a lot of money out of it. 但願這個主意被採納，那麼我們就能從中賺一大筆錢。

2. finally understand；grasp the point of 理解；明白；領會

    After two hours of trying to learn the new game，he caught on. 這種遊戲，他學了兩小時才明白是怎麼回事。

    He didn't catch on to what you had implied. 他沒有理解你話中隱含的意思。

    The lady repeated her question several times but I still couldn't catch on. 那位女士把她的問題重復了好幾遍，但是我還是沒聽懂。

3. fasten accidentally on；catch；grab 掛住；抓住

    My coat caught on a mail and tore. 我的上衣掛住了一根釘子，撕破

    The girl kept catching on to her mother's hand. 這個小女孩一直抓住她媽媽的手。