除非他家里有急事要办，不然他一定会来的。

He is sure to come unless he has some urgent work to do at home.

youdao

我相信他一定会来的。

I am sure that he will come.

youdao

他一定会来的。

He is sure to come.

youdao

We would have to see if we can arrange that. Again, I don't guarantee that it will happen because the reality is, someone who is involved in as many things as he is-- it's going to be something.

我会再去安排一下,但我不保证他一定会来,他有太多的安排,有可能会有突发情况

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