catch on片語動詞KK [kætʃ ɑn] /kætʃ ɑn/發音片語動詞1流行、受歡迎、風行The new payment app caught on quickly among younger users.這款新的支付應用程式很快在年輕用戶中流行起來。2明白、領悟、聽懂口語He didn't catch on until someone explained the joke to him.直到有人跟他解釋那個笑話,他才明白過來。3察覺、發覺常與 to 連用It took her months to catch on to what he was really doing.她花了好幾個月才察覺他實際上在做什麼。