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 step up, and I'll back off.
你带种我就闭嘴。
They backed off in horror.
他们心怀恐惧地退缩了。
Back off! There's no need to yell at me.
走开点！没必要对我大喊大叫。
But after they told his mother the news, she seemed to back off.
但在他们将这一决定告诉母亲后，她似乎让步了。
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。
How about you just back off?
你退下又如何？
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！
But Google stalled, hoping that after the Olympics the Chinese would back off.
其他的搜索引擎，包括微软的，都对这一限制妥协了。但谷歌还在拖延，希望奥林匹克运动会结束后，中国就会让步。
Say you'll leave him if he doesn't back off.
你说如果他不收手就离开他。
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）。