mert

mert

"Because."

In this sentence, 'mert' is used as a conjunction meaning 'because', introducing the reason for the inability to go out to play.

Nem mehetek ki játszani, mert esik az eső.

I cannot go outside to play because it is raining.

Here, 'mert' connects the statement 'I like this book' with its reason, 'because it is very interesting'.

Szeretem ezt a könyvet, mert nagyon érdekes.

I like this book because it is very interesting.

In this sentence, 'mert' introduces the cause of not being able to go, 'because he had to work'.

Nem tudott elmenni, mert dolgoznia kellett.

He couldn't go because he had to work.