tail off
US /teɪl ɔf/
UK /teɪl ɔf/

1.
diminuire, scemare, affievolirsi
to become smaller or weaker, or to happen less often
:
•
Sales tend to tail off in the summer months.
Le vendite tendono a diminuire nei mesi estivi.
•
The applause began to tail off as the speaker finished.
Gli applausi iniziarono a scemare quando l'oratore finì.