It's almost eleven o'clock.
快十一点了。
Her brother Rick is eleven.
她哥哥瑞克十一岁。
It's already a quarter to eleven.
现在已经是十一点差一刻了。
There were twelve of us in all for dinner.
我们一共十二人吃饭。
She often puts in twelve hours' work a day.
她时常每天工作十二个小时。
Twelve hours later she was all smiles again.
十二小时之后，她又喜笑颜开了。