He was guilty of assault and battery.

他犯了殴打罪。

He became moody and unreasonable, flailing out at Katherine at the slightest excuse.

他变得喜怒无常、不可理喻，为点鸡毛蒜皮的小事就殴打凯瑟琳。

Solitary in nature, the trunkfish blows water out of its mouth to expose prey such as mollusks, crustaceans, worms, and sponges.

孤立的性，鱼殴打海水来自嘴去揭露猎，如软体，壳类，蠕虫和海绵。