ph.
1. You must swot up your English. 你必须努力学习英语。
1. [口]用功学习各门功课(通常指考试前临时抱佛脚)：sand fritting 砂子烧结 | swot up [口]用功学习各门功课(通常指考试前临时抱佛脚) | permanent set 永久应变[变形] 永久变定(物) 最后凝结 固定装置
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verb
1. study intensively, as before an exam
e.g. I had to bone up on my Latin verbs before the final exam
Synonym: cram grind away drum bone up swot get up mug up bone