back off

英 [bæk ɒf]

美 [bæk ɔːf]

（为避免问题或冲突而）后退，避让，退缩; 放弃，收回（主张、要求、承诺等）

柯林斯词典

PHRASAL VERB （为避免问题或冲突而）后退，避让，退缩
If youback off, you move away in order to avoid problems or a fight.
1. They backed off in horror.
  他们心怀恐惧地退缩了。
PHRASAL VERB 放弃，收回（主张、要求、承诺等）
If youback off froma claim, demand, or commitment that you made earlier, or if youback offit, you withdraw it.
1. A spokesman says the president has backed off from his threat to boycott the conference...
  一位发言人表示总统已经收回了他将抵制这次会议的威胁。
2. The union has publicly backed off that demand.
  工会已经公开撤回了那项要求。
PHRASAL VERB 别插手；别干涉
If you tell someone toback off, you are telling them to stop interfering.
1. Back off, Mom, I'm old enough to make my own decisions!
  你别管，妈妈，我已经能够自己作决定了！

verb

move backwards from a certain position
1. The bully had to back down
Synonym:back upback down
remove oneself from an obligation
1. He bowed out when he heard how much work was involved
Synonym:chicken outpull outback downbow out

You can use this option to back off an update level.
您可以使用此选项回退一个更新级别。
You need to back off on the leverage.
你必须降低你的杠杆。
Back off, action bunnies, or I'll kill this kid.
兔别行动组，不准过来。不然我就杀了这孩子。
You can offer your help to others but back off if they appear to be offended by your persistence.
你可以向他人提供帮助，然而若他们因你的坚持而感到被冒犯了，那么你还是放弃为好。
He doesn't back off, though, when I raise the F-word.
他没有退缩，不过，当我提出的F字。
I don't like that car sitting on my tail. Wave him to back off.
我不喜欢那辆车紧靠在我的车尾，挥手示意他倒车（离远些）。
They backed off in horror.
他们心怀恐惧地退缩了。
You can expect your mate to get fed up and make the choices for you or back off completely.
你的伴侣可能受不了你，而替你做选择，或是完全不管了。
You're stronger than this guy. don't back up! Don't back off!
你比他强壮，不要后退！不要后退！
I removed the last of the screws and took the back off the machine.
我卸掉最后一个螺丝，把背板从机器上拆了下来。