knock about
碰撞;到處流浪,□混;漫遊;接連打擊;沖擊;粗暴對待
knock about
v 1: strike against forcefully; "Winds buffeted the tent" [syn: buffet,
batter]
2: be around; be alive or active; "Does the old man still kick
around?" [syn: kick around, kick about]