look into

US /lʊk ˈɪntuː/
UK /lʊk ˈɪntuː/
"look into" picture
1.

enquêter sur, examiner

to investigate or examine something, especially a problem or a complaint

:
The police are going to look into the matter.
La police va enquêter sur l'affaire.
We need to look into why sales have dropped.
Nous devons examiner pourquoi les ventes ont chuté.