screw up To muster or summon up: 召集或号召： screwed up my courage. 鼓起我的勇气 Slang To make a mess of (an undertaking). 【俚语】 把（事业）弄糟 Slang To injure; damage: 【俚语】 伤害；破坏： Lifting those boxes really screwed up my back. 抬这些箱确实令我的背部受到损伤 Slang To make neurotic or anxious. 【俚语】 使心情烦乱或紧张
