Back-off回过;回退;倒开;功率回退
blind back-off无控制卸扣
bus back-off总线退出
Back-Off System补偿系统;翻译
back-off kelly倒扣方入
Back-off Policy退避方案
back-off joint倒扣短节
back down off放弃;退却;让步
PHRASAL VERB（动词词组） If you back off, you move away in order to avoid problems or a fight. 避开 (问题或争斗)
They backed off in horror.
他们吓得躲开了。
PHRASAL VERB（动词词组） If you back off from a claim, demand, or commitment that you made earlier, or if you back off it, you withdraw it. 撤回 (原来的主张、要求、承诺)
A spokesman says the president has backed off from his threat to boycott the conference.
一位发言人说，总统已经撤回了他抵制这次会谈的威胁。