mug up on
phrasal verbmug something up | mug up on something
- (British English, informal)
to learn something, especially in a short time for a particular purpose, for example an exam 突击式学习 You just need to mug up a few details. 您只需要弄清楚一些细节。 He’s frantically mugging up on Japanese before his trip to Tokyo. 在前往东京之前,他疯狂地准备日语。