hem
noun [ C ] uk/hem/ us/hem/
（衣服等的）褶边，边
the edge of a piece of cloth, such as the bottom edge of a skirt or dress, that is folded over and sewn so that it does not develop loose threads
I took the hem up/let the hem down. 我把褶边改短／放长。
hem
verb [ T ] uk/hem/ us/hem/ -mm-
给…缝褶边
to sew a hem on a piece of clothing or cloth
I need to hem those curtains. 我得给那些窗帘缝上褶边。
Idiom
hem and hawidiom US (UK hum and haw) （长时间）犹豫不决
to be uncertain and take a long time deciding something
We hemmed and hawed for months before actually deciding to buy the house. 在真正决定买这所房子之前我们犹豫了数月之久。
Phrasal verb
hem someone in 包围，限制（某人）
to surround someone and prevent them from moving or doing what they want to do
When they reached Trafalgar Square, the demonstrators were hemmed in by the police. 当他们到达特拉法加广场时，示威者们已被警方包围起来了。