It's almost eleven o'clock.

　　快十一點了。

　　Her brother Rick is eleven.

　　她哥哥瑞克十一歲。

　　It's already a quarter to eleven.

　　現在已經是十一點差一刻了。

　　There were twelve of us in all for dinner.

　　我們一共十二人吃飯。

　　She often puts in twelve hours' work a day.

　　她時常每天工作十二個小時。

　　Twelve hours later she was all smiles again.

　　十二小時之后，她又喜笑顏開了。