查询词典 off and

at a run：跑;较差

For some reason Smith's grocery store is running at a loss. 由于某种原因,史密斯的杂货店在亏... | at a run跑;较差 | Thy started off at a run but soon tired and began to walk. 他们跑步出发,但不久就累了,便...

dawn: at dawn：拂晓时

That car is a beauty and quite up to date. 那辆小汽车式样美观、新颖. | dawn: at dawn 拂晓时 | They set off at dawn. 他们黎明时动身了.

at one's fingertips：如数家珍

一笔勾销 to write off with at one stroke (even the score) | 如数家珍 at one's fingertips | 快刀斩乱麻 to cut the Gordian knot; to settle a problem once and for all

back away：逐渐后退

back and forth (前后)来回地,往返 | back away 逐渐后退 | back down off 放弃,让步,退却

back down：放弃,让步,退却

back and forth来回,往返,来来往往地 | back down放弃,让步,退却 | back off后退,让步

backseat driver：指手画脚的人

as sixs and sevens 混乱的 | backseat driver 指手画脚的人 | bite one's head off 大发脾气

Eunice Bates：尤妮丝.贝兹

and read off the name of your lab partner.|并念出实验伙伴的名字 | "Eunice Bates."|"尤妮丝.贝兹" | You got to be kidding me.|杀了我吧

C be involved in：参加

put off ?C postpone ?C delay 推迟 | participate in ?C take part in ?C join in ?C be involved in 参加 | now and then -- occasionally 偶尔

be (not) on good terms：关系(不)好

19.on and off stage 台上台下 | 20.be (not) on good terms 关系(不)好 | 21.expansion project 扩展计划

be on to：知道(某人的)意图

on and off断断续续地 | be on to知道(某人的)意图 | on time 准时

Proxy Proxy：代理

Protocol: Protocol: 通訊協定: | Proxy Proxy 代理 | Re-request Authorization Re-request Authorization 重新請求批准

insurmountable odds：这里指不可战胜的神话

go before the cameras:开拍 | insurmountable odds:这里指不可战胜的神话 | flick:[俚]电影