Definition
to remain in an unspecified or various locations, often over an extended period.
（某人長時間）四處漫遊，閒逛；（某物長時間）放置在某個地方
His old car has been knocking around in the garage for years.
他的舊車已經在車庫裡閒置好幾年了。
Why don't we knock around downtown for a bit to relax?
我們為什麼不四處閒逛一下市區來放鬆呢？
This book has been knocking around on my desk; I just haven't had the time to read it.
這本書一直在我的桌子上閒置著，我只是沒時間看它。