what for

• Неформальное выражение, используемое для выяснения причины или цели чего-либо, или для требования объяснения действия.

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.

   Для чего

   • 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.

   Нагоняй

   • 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.