来参加卡拉OK晚会吧—一定很开心。

Come to the karaoke night—it should be a good laugh.

《牛津词典》

你这次旅行一定很开心吧！

Your trip must have been fun!

《牛津词典》

他授予你新球衣时一定很开心吧？

It must have been nice to be presented with your new shirt by him?

youdao

我猜她得到这份工作一定很开心。

I suppose she must be delighted about getting the job.

youdao

做得不错呀！一定很开心吧！

That's great ! You must be so happy !

youdao

你一定很开心。

You must be very happy.

youdao

他有这样好的妈妈能给客人做出这么好的饭菜，他一定很开心吧？

He must be very happy to have such a good mother who can cook very good food, right?

youdao

她有这样好的妈妈能给客人做出这么好的饭菜，她一定很开心吧？

She must be very happy to have such a good mother who can cook very good food, right?

youdao

你有这样好的妈妈能给客人做出这么好的饭菜，你一定很开心吧？

You must be very happy to have such a good mother who can cook very good food, right?

youdao

你有这样好的妈妈能给客人做出这么好的饭菜，你一定很开心吧？

Yo must be very happy to have such a good mother who can cook very good food, right?

youdao

他以前一定和许多女孩交往过，因为他很容易就能使女孩子开心。

He must have met many girls before, because he can make girls happy so easily.

youdao

你一定玩的很开心。

You must have enjoyed yourself.

youdao

我想你一定玩的很开心。

I think you're having fun.

youdao

你一定也很开心吧？

I am a university student, How about you?

youdao

你一定也很开心吧？

I am a university student, How about you?

youdao