English translation of '动手'

动

1. (= 开始做) get to work
2. (= 用手摸) touch
   ⇒ 只许看,不许动手。 (Zhǐxǔ kàn, bùxǔ dòngshǒu.) You can look, but don't touch.
3. (= 打人) strike a blow (pt, pp struck)
   ⇒ 到底是谁先动手的？ (Dàodǐ shì shuí xiān dòngshǒu de?) So who struck the first blow?