Roll up one's sleeves Roll up one's sleeves 意思是卷起袖子，准备大干一场。 There's a lot of work to do, so roll up your sleeves and get busy. Tighten one's belt Tighten one's belt 字面意思是勒紧裤腰带，形容节衣缩食、减少开支。 She has to ...