Hmm, that’s a tough question.

Translation language

Sentence

Narrator

That's a tough question to answer definitively.

I often hesitate when faced with difficult questions; I usually respond with 'Hmm, that's a tough question.'

Is that a tough question for you to answer?

If I knew the answer, it wouldn't be a tough question.

That is a challenging question.

That's a tricky one.

That's a hard question.

A difficult or challenging question to answer.

An expression of hesitation or thoughtfulness.