catch on
柯林斯詞典
1. PHRASAL VERB If you catch on to something, you understand it, or realize that it is happening. 懂得; 領(lǐng)悟
He got what he could out of me before I caught on to the kind of person he'd turned into. 他盡其所能從我處得到一切后，我才明白他已蛻變成什么樣的人。
2. PHRASAL VERB If something catches on, it becomes popular. 流行
The idea has been around for ages without catching on. 這個(gè)觀點(diǎn)由來(lái)已久，但一直未風(fēng)行。
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