examiner la question
Look into the matter more carefully.
Examinez la question plus attentivement.
Examinons la question.
Why not look into the matter yourself?
Pourquoi ne pas vous pencher vous-même sur la question ?
I shall look into the matter between this and then.
Je vais me pencher sur la question d’ici là.
We must look into the matter at once.
Nous devons examiner cette affaire immédiatement.