The Chinese word for screw is
螺丝

luó sī

Chinese Definition

screw
1. 名词. 螺钉；螺丝
2. 名词. 旋拧（螺丝）
3. 名词. 螺旋桨
4. 名词. (俗) 狱警
5. 名词. (粗) 性交
6. 名词. (俗) 工资
7. 动词. 拧螺丝，拧紧，旋紧
8. 动词. 用螺丝固定
9. 动词. 拧上去
10. 动词. （把纸）揉成一团
11. 动词. 诈骗（钱财等）
12. 动词. (俗／不及物) 生气，发怒
13. 动词. (俗／粗) 与…做爱
14. 动词. (俗) 不在乎，不管
Screw this. I'm never gonna be able to do that.　算了，怎么弄也弄不成。
15. 动词. (俗) 欺骗，不公平对待。
16. 动词. to screw someone：去你妈的
17. 动词. to put the screws on someone：胁迫
18. 动词. to screw around：乱搞，乱交
19. 动词. to screw (something) up：弄糟，搞乱；拧上
Components
螺
1. aquatic snail (as opposed to a terrestrial snail, 蝸)
2. whorl; swirl; spiral
3. fingerprint whorls
4. (organic chemistry) spiro-
螺內酯 - spironolactone
5. (transgender slang) Short for 螺內酯, spironolactone; spiro
6. (historical) wine cup made from a snail shell
7. (historical) ink; pigment (green-black in color, produced from the snail, and used by women for drawing eyebrows)
8. Short for 螺髻, hair done up in a coil shape
丝
1. Simplified form of 絲