001. about time (too) = to finally do something
= 더 일찍[이미] ~했어야 했다
"They've finally appointed a new chairman, and it's about time too."
002. above board = legal
= 공명정대한
"The tax loophole is all above board."
003. across the board = including everyone or everything
= (회사, 산업 등의) 포괄적으로; 전반적으로, 일률적으로
"The pay increases will be applied across the board."
004. all in a day's work = a task that falls into normal daily work routines
= 아주 일상적인[하나도 새로울 것 없는] 일, 당연한 일, 익숙해진 일
"Dealing with emergencies is all in a day's work."
005. (all) par for the course = normal, to be expected
= 당연한, 보통[예사]의, 당연한 일이다; 전형적인
"Delays of up to six months are par for the course."
006. at loggerheads (with sb over sth) = to disagree strongly with someone
= (~을 두고) (~와) 불화[의견 차이]가 심한, (~와) 사이가 틀어져
"The two managers were at loggerheads over the expansion plans."
007. at the helm = in charge (also "take the helm")
= (조직, 사업 등을) 책임지고 있는
"He decided to step down after 20 years at the helm of the company he'd founded."
008. back down (on/from sth) = withdraw your demands in a negotiation, or accept you've lost the argument
= (주장 등을) 굽히다; 패배를 인정하다
"The union says that if we don't back down on our demands, they'll call a strike."
009. backlash = a negative consequence or reaction after an action or event
= (사회 변화 등에 대한 대중의) 반발
"If we make further losses, we risk a backlash from our investors."
(Also, "a backlash against" something.)
010. backroom boys = people whose work is important but who don't get much recognition
= 중요한 일을 하지만 (대중의) 큰 관심을 받지 못하는 (전문가, 기술자) 사람들
"The backroom boys in the R&D department are essential to our innovation strategy."