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

(尤指很久以后才)理解,领会
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)