变得流行：指某个想法或事物变得受欢迎或流行起来。
理解，领会：指逐渐理解或领会某个概念、观念或情况。
catch on // [ catching caught catches ]
动词词组 If you catch on to something, you understand it, or realize that it is happening. 懂得; 领悟
He got what he could out of me before I caught on to the kind of person he'd turned into.
他尽其所能从我处得到一切后，我才明白他已蜕变成什么样的人。
动词词组 If something catches on, it becomes popular. 流行
The idea has been around for ages without catching on.
这个观点由来已久，但一直未风行。
... catch on 理解，懂得;流行起来 check in (在旅馆、机场等)登记，报到 check out 结帐后离开，办妥手续离去 ...
... cast light upon 使人们明白，使真相大白 catch on 理解，受欢迎 catch up 赶上（with），把……卷入 ...
升班马萨普斯堡在季前被以为是晋升的最大冷门，但是他们在赛季末期一段风风火火(Catch on)的表示让人们对他们刮目相看。可是跟着时光的推移，萨普斯堡的一招鲜曾经被挪超各家球会熟习，而他们也吃亏了克服的机缘。
... catch on理解，明白 check out结账后离开;检验，核查 cheer up使高兴，使振奋 ...
He is very quick to catch on to things.
他领悟能力很强。
Eddie slipped the safety catch on his automatic back into place.
艾迪把自动步枪的保险拉到了位。
So it took both plants quite a while to catch on in Europe.
因此，这两家工厂都花了相当长的时间才在欧洲流行起来。
You just catch on." Another student says she likes to learn other languages.
VOA : special.2010.06.17
See this happens every semester that the chuckles, the grimaces, kind of roll through the crowd as people catch on, but there you go.
每学期学生们看到这，就会偷笑或者做鬼脸之类的，不过你们随意。
计算机科学课程节选 : 哈佛公开课
I still enjoy watching basketball. You know, college basketball and catch a game on television.
我还是喜欢看篮球。看大学篮球赛或者看电视上的篮球比赛。
SpeakingMax英语口语达人 : 现场观看篮球赛
The idea of a no-frills, environmentally-aware grave may,however, take time to catch on in Australia, where there is still a deep respect for tradition.
VOA : standard.2010.07.22
through the home school market, is beginning to catch on in schools across the country.
VOA : standard.2010.08.10
However, an editorial in Britain's Times newspaper doubted the composer's chant would catch on.
The industry had postulated IT would catch on and lock down cloud computing.
FORBES: Verizon Terremark CTO Speaks On Cloud Computing Disruption
However, one retail expert dismissed the initiative as a "gimmick" that was unlikely to catch on.