German phrase
Ich muss die ganze Zeit lächeln.
Meaning
I can't stop smiling
When to use it
You cannot stop smiling. You feel so happy that your smile keeps coming back.
Example dialogue
Was ist los? Du lächelst die ganze Zeit.
What's going on? You are smiling all the time.
Ich muss die ganze Zeit lächeln. Wir fahren morgen ans Meer!
I can't stop smiling. We are going to the seaside tomorrow!