拧紧; 扭歪（脸）; 非正把…搞糟

1. 搞糟,搞砸：17.whoever this is..tell bill kim that he just screwed up..big time.不管你是谁,告诉bill kim他这次搞砸了...砸大了 | screw up=搞糟,搞砸 | big time=[俚语]十分,极度;欢乐时刻

2. 抬升辊缝：Screw down 压下 | Screw up 抬升辊缝 | Edger 立辊轧机,轧边机

3. 搞糟：10. intend vt.想要;打算 | 11. screw up 搞糟 | 12. proceed vi.继续进行;继续下去

4. 拧上：screw type 螺旋式的 | screw up 拧上 | screw wrench 螺钉板手

1. 眯起(眼睛);扭曲(面部)
If you screw up your eyes or your face, you tighten your eye or face muscles, for example because you are in pain or because the light is too bright.

e.g. She had screwed up her eyes, as if she found the sunshine too bright...
她眯起了眼睛，好像是觉得阳光太刺眼。
e.g. Close your eyes and screw them up tight...
合上眼睛，闭紧。

2. 把(纸)揉成一团
If you screw up a piece of paper, you squeeze it tightly so that it becomes very creased and no longer flat, usually when you are throwing it away.

e.g. He would start writing to his family and would screw the letter up in frustration...
他会提笔给家人写信，却常常懊恼沮丧地又把信纸揉成一团。
e.g. He screwed up his first three efforts after only a line or two.
前 3 次他只写了一两行就把纸揉成了一团。