我們通過下面的兩個例句來詳細了解check out的用法：

　　例句：

　　I forgot to take my luggage after I checked out. Fortunately, the receptionist kept it safe for me.

　　在結賬退房之后，我忘記拿行李了。幸虧接待員幫我保管完好。

　　After the mechanic checked out the battery, he told me I need to buy a new one.

　　在修理工檢查完電池之后，他說我需要買個新的。