"यह एक मुश्किल सवाल है।"

Translation: This is a difficult question.

[doJob1]

This reminding me of Arabic '(مشكلة) mushkila' which means problem

[MaryAnne810360]

This question is difficult should also be correct!

[Zesul]

That would be a translation of यह सवाल मुश्किल है.