Catch on (kè qì ān)

Idiom Curiosity

含义

To begin to understand something.

开始理解某事。 (kāishǐ lǐjiě mǒu shì)

例句

"It took him a while to catch on to the new rules."

"他花了些时间理解新规则。" (tā huāle xiē shíjiān lǐjiě xīn guīzé)