They had to leave at midnight.

　　他們不得不半夜離開。

　　The clock showed midnight.

　　時鐘顯示已是午夜。

　　The bus service stops at midnight.

　　公共汽車午夜停止服務。

　　She heard the clock strike midnight.

　　她聽見鐘敲子夜12點。

　　It is close on midnight.

　　時近午夜。

　　It was past midnight.

　　過了午夜。