tail off
US /teɪl ɔf/
UK /teɪl ɔf/

1.
disminuir, desvanecerse, reducirse
to become smaller or weaker, or to happen less often
:
•
Sales tend to tail off in the summer months.
Las ventas tienden a disminuir en los meses de verano.
•
The applause began to tail off as the speaker finished.
Los aplausos comenzaron a disminuir cuando el orador terminó.