tail off
US /teɪl ɔf/
UK /teɪl ɔf/

1.
abfallen, abflauen, nachlassen
to become smaller or weaker, or to happen less often
:
•
Sales tend to tail off in the summer months.
Die Verkaufszahlen neigen dazu, in den Sommermonaten abzufallen.
•
The applause began to tail off as the speaker finished.
Der Applaus begann abzuflauen, als der Redner fertig war.