screw /skru:/ I. n. ［c］ 1. 螺丝(钉)：turn the screw to make the belt tight 拧紧皮带上的螺丝钉；drive in a screw 拧紧螺钉；tighten the screws 拧紧螺丝，加强控制 2. 用于习语put/tighten the screws on sb 威慑强迫某人（做）（见put条）‖II. vt. 1. 拧，拧紧：screw a lock on the door 给门装锁；screw two pieces of wood together 用螺丝钉把两块木板连在一起 2. 用于短语动词 screw up 用手搓或压；损害；使困惑或不高兴：He screwed up the letter and threw it in the bin.他把信搓碎扔进了垃圾箱。Drugs like heroin and cocaine can really screw your body up.像海洛因和可卡因那样的毒品真地是要伤害你的身体的。Her parents have screwed her up emotionally.她父母亲使她的情绪非常糟糕。