Train Has Left the Station
The process is already underway
事情已经发生，无法挽回，引申指机会已经错过
- Moscow and Beijing don't really believe that, but the fact is, that train has left the station.
Criticize the Paint Job on the Titanic
To obsess over small flaws and miss serious ones
过于着眼于小瑕疵，而忽略了大问题
- Sally will sometimes miss the big picture and criticize the paint job on the Titanic.
(To) Send Flying
Knock something into the Air
（使）猛然跌倒；（使）飞出去
- I tripped going up the stairs and my books went flying.
Rock the Boat
Cause a disruption in a group
惹麻烦；惹事；捣乱
- Don't rock the boat until the negotiations are finished.
Bump in the Road
A temporary problem, a small setback
一个暂时的问题，一个小小的挫折
- Most companies hit a bump in the road at some point.
Carry Coals to Newcastle
Supply something that is unneeded
做徒劳多余的事，如同井边挑水井边卖
- Exporting pine to Scandinavia seems like carrying coals to Newcastle.
Drive a hard bargain
To arrange a transaction so that it benefits oneself
极力讨价还价
- The unions are driving a hard bargain on pay.
Fifth Wheel
A superfluous person
冗员，不需要的人；无足轻重的人
- There is no inherent reason for adding a fifth wheel to the coach.
Fly High
Be very successful, especially temporarily
非常成功，尤指暂时的
- Only with him can my heart fly high.
