back down
US /bæk daʊn/
UK /bæk daʊn/

1.
讓步, 退縮
withdraw a claim, demand, or commitment, or abandon one's position in an argument
:
•
He refused to back down on his decision.
他拒絕在自己的決定上讓步。
•
Despite the pressure, she wouldn't back down from her principles.
儘管有壓力,她也不會退縮。