happy day 快乐的一天；

例句：

Oh, happy day! I made it!

啊，真是愉快的一天！我成功了！

And its not a very happy day for us.

对我们来讲，这天并不愉快。

相关介绍

Give my husband an old motorbike to tinker with and he's as happy as the day is long.

给我丈夫一辆老式摩托车鼓捣，他会很高兴的。

A: Hi, Zhou Ning! Happy Children's Day!

A：嗨,周宁！儿童节快乐！

Well, l certainly call her to say "Happy Mother's Day" and promise that I will visit home soon.

好吧,我当然会打电话给她说"母亲节快乐",并保证我会很快回家。