German phrase
Ich muss leider passen.
Meaning
Unfortunately, I have to pass
When to use it
A polite way to decline. Use it to politely turn down an invitation or request.
Example dialogue
Magst du am Samstag mit uns lernen?
Would you like to study with us on Saturday?
Ich muss leider passen. Ich habe am Wochenende schon etwas geplant.
Unfortunately, I have to pass. I already have plans for the weekend.