那完全是另一回事。

That's a different matter altogether.

youdao

那完全是另一回事。

That's quite another matter.

《新英汉大辞典》

那完全是另一回事，接下来我们会谈到。

That is another matter altogether. And we shall come to that next.

youdao

那完全是另一回事。

That's a totally different matter.

youdao

那完全是另一回事。

That is the other thing.

youdao

那完全是另一回事。

That is completely a different thing.

youdao

至于土地改革是否能解决中国的问题，那完全是另一回事。

Whether land reform can solve China's ills is another question entirely.

youdao

至于土地改革是否能解决中国的问题，那完全是另一回事。

Whether land reform can solve China's ills is another question entirely.

youdao