what for

• Expression familière utilisée pour demander la raison ou le but de quelque chose, ou pour exiger une explication d'une action.

An informal expression used to ask the reason or purpose for something, or to demand an explanation for an action.

1. For what purpose or reasonA2informal

   Used to ask about the reason or purpose of an action.

   pour quoi

   • What did you do that for?
   • What are you saving that money for?
   • What is this tool for?

2. Punishment or reprimandB2informalbritish

   Used to indicate that someone deserves or will receive a punishment or scolding.

   ce qu'on mérite

   • If he breaks the rules, he'll get what for.
   • She gave him what for when he came home late.
   • The teacher really gave the students what for after the prank.