drop back

US /drɑːp bæk/
UK /drɑːp bæk/
"drop back" picture
1.

to move or fall back from a position in front

:
The runner started strong but began to drop back in the last lap.
He had to drop back to help his injured teammate.
2.

to decrease in amount, level, or intensity

:
Sales began to drop back after the holiday season.
The temperature will drop back to normal by tomorrow.