that's a totally different question; that is something entirely different

الإنجليزية - الإنجليزية

تعريف that's a totally different question; that is something entirely different في الإنجليزية الإنجليزية القاموس.

this is quite another question

الواصلة

that's a to·tal·ly dif·fer·ent question; that I·s some·thing en·tire·ly dif·fer·ent