Translation of "catch on" - English-Mandarin Chinese dictionary

catch on

(UNDERSTAND) 变得流行 informal phrasal verb with catch /kætʃ/ verb (caught)

to understand, especially after a long time

He doesn't take hints very easily, but he'll catch on (to what you're saying) eventually. 他不太会察言观色,不过最终还是会明白(你所说的话)的。

(Translation of “catch on phrasal verb, verb (UNDERSTAND)” from the Cambridge English-Chinese (Simplified) Dictionary © Cambridge University Press)