重温

重温	chóng wēn	to learn sth over again / to review / to brush up / to revive (memories, friendship etc)
重	chóng	to repeat / repetition / again / re- / classifier: layer
重	zhòng	heavy / serious / to attach importance to
温	Wēn	surname Wen
温	wēn	warm; lukewarm / to warm up / (bound form) temperature / (bound form) mild; soft; tender / to review (a lesson etc) / (TCM) fever / epidemic; pestilence (old variant of 瘟)