drop off
US /drɑːp ɑːf/
UK /drɑːp ɑːf/

1.
cair no sono, pegar no sono
to fall asleep
:
•
I was so tired that I started to drop off during the movie.
Eu estava tão cansado que comecei a cair no sono durante o filme.
•
The baby usually drops off after her evening feeding.
O bebê geralmente pega no sono depois da mamada da noite.
2.
3.
cair, diminuir
to decrease in amount, quality, or intensity
:
•
Sales tend to drop off in the winter months.
As vendas tendem a cair nos meses de inverno.
•
The number of visitors has dropped off significantly.
O número de visitantes diminuiu significativamente.