第三人称单数：knocks around 现在分词：knocking around 过去式：knocked around
1.“knock about”的变体
1.to discuss ideas in an informal way
2.to hit someone a lot
3.to spend time somewhere with no particular purpose; to spend time with someone because you are friends; to be somewhere in a place, although you do not know exactly where
4.to kick, hit, or throw a ball in an informal game
5.The variant of knock about
knocks around