Hello.

你好！

I have juice,cereal,toast and coffee for breakfast.

我的早餐有果汁，谷物，烤面包和咖啡。

Would you please tell Mr. Cooper that I'm here.

请您告诉库珀先生我在这里。

My grandfather got married in 1921.

我的祖父在1921年结婚。

At bedtime, I take off my clothes and put on my pajamas.

在上床时间，我脱掉衣服并且穿上我的睡衣。

You must have dialed the wrong number.

你肯定拨错了号。