The Chinese word for screwdriver is
螺丝刀

luó sī dāo

Chinese Definition

screwdriver
1. 起子
Components
螺丝
1. Simplified form of 螺絲
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
刀
1. knife; blade
2. single-edged sword; cutlass
3. (neologism, internet) to bargain; to negotiate on price
4. (q-lite, only common among Tai people)
刀世-勛 - Dao Shixun
5. (Mandarin, neologism, colloquial) dollar
6. Variant of 刁