"latch on" in Chinese (Simplified)
明白抓住（婴儿）理解
Definition
突然明白某事，或者紧紧抓住某物；常用于婴儿吃奶或突然理解一个想法。
Usage Notes (Chinese (Simplified))
口语表达。'Latch on' 表示逐渐理解某事，或婴儿吸住乳头吃奶。注意不要与 'catch on' 混淆，后者更多用于流行趋势或笑话被理解。
Examples
It took him a while to latch on to the new rules.
他花了一些时间才**明白**新规则。
The baby couldn't latch on properly at first.
刚开始时宝宝不能好好**吸住**。
She didn't latch on to the joke.
她没有**明白**那个笑话。
Once he latched on to the main idea, everything made sense.
他一**明白**主意后，一切都顺理成章了。
The puppy latched on to my sleeve and wouldn't let go.
小狗**咬住**了我的袖子不放。
People tend to latch on to simple explanations even when things are complicated.
人们往往**接受**简单的解释，即使事情很复杂。