study (a subject) intensively, especially in preparation for something
強化學習，（尤指為準備某事而）用功學習
teachers spend their evenings swotting up on jargon.
教師們晚上強化學習行話。
I've always been interested in old furniture and I've swotted it up a bit.
我一直都對老式家具感興趣，并且集中學習了一些有關(guān)的知識。