waarvoor

waarvoor

"For what" or "for which."

Here, 'waarvoor' introduces a question asking about the purpose or use of something.

Waarvoor gebruik je deze sleutel?

What do you use this key for?

In this sentence, 'waarvoor' introduces an indirect question about the reason or purpose behind the action or situation.

Ik wil weten waarvoor je hier bent.

I want to know what you are here for.

Here, 'waarvoor' functions in a relative clause to indicate the reason for the action referred to.

Dat is de reden waarvoor ik dit werk doe.

That is the reason for which I do this work.