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

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！
Back off, slick. you'll scare the deer.
退后，你会吓着鹿儿的。
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！
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。
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）。
You step up, and I'll back off.
你带种我就闭嘴。
Back off! There's no need to yell at me.
走开点！没必要对我大喊大叫。
If I have to tell you again to back off, we're gonna go'round and'round.
如果我不得不再次要你作出让步，我们就会没完没了了。
Said if we don't back off, he'll kill julie.
若我们不放弃，他就杀茱莉。
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。