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

verb

1. study intensively, as before an exam

e.g. I had to bone up on my Latin verbs before the final exam

Synonym: cramgrind awaydrumbone upswotget upmug upbone