swot
/swɔt; swɑt/ v
(-tt-) [I, Ipr, Ip, Tn.p]
~ (up) (for/on sth); ~ sth up (Brit infml often derog 口, 常作贬义) study sth very hard, esp in preparation for an exam 刻苦学习某事物（尤指为准备考试）
swotting for her exams （她）为考试而用功
I'm swotting up my maths/swotting up on my history. 我正在用功温习数学[历史]. swot (also swotter), n person who swots 刻苦学习的人（尤指为准备考试）.