1. water
2. (after a name) ... River
3. to swim (used mostly in 會水 huìshuǐ and 水性 shuǐxìng)
4. (coll.) lacking in substance; shoddy
5. (bound form) additional cost; extra income
6. classifier for washings of a garment

1. gun
2. firearm
3. rifle
4. spear
5. thing with shape or function similar to a gun
6. to substitute for another person in a test
7. to knock
8. classifier for rifle shots

classifiers: 支, 把, 桿, 條, 枝