1) tough break
when something unfortunatehappens
That tough break put an end to my plans!
2) back to the drawing board
to start something over and goback to the planning stage.
比如说一个公司为了要提高利润，叫雇员们提出各种建议。但是老板认为这些都行不通， 要大家从头来。The boss sent them back to the drawing board
“24/7” means 24 hours a day,seven days a week.
4) behind the scenes
Something that happens in secret or not infront of the general public
It's an exciting opportunity to learn what goes on behind the scenes.
5) change of pace
something different from a normal routine or schedule.
A change of pace will probably do you good.
6) come up short
to try to achieve something butfail.
Bill always seems to come up short of his parent's expectations.
7) big picture
Everything that is involvedwith a particular situation is called “the big picture.”
Some of these examples come from big-picture trends.
“Fifty-fifty” means something is divided
9) ahead of the curve
to be more advanced than the competition.
The technology firm invests heavily in R&D in order to keep ahead of the curve.
10) by the book
to do things according to company policy or the law. It means to followthe rules 100%.
He showed little initiative, handling all matters strictly by the book.
11) back to square one
to startsomething over again.
We got a phone call from the lawyers and is was back to square one.
12) ahead of the pack
to be better or more successful than the competition.
At this stage in the campaign, the Democratic candidate is way ahead of the pack.
13) call it a day
to decide to stop working for the day.
A：I'm very tired. We're done too much work today.
B：OK，let's call it a day.
an acronym for “as soon as possible.”
15) from the ground up
when you start a business, project, or something else from zero
All I asked her to do was make a few revisions to the employee handbook. It's not like she has to create the whole thing from the ground up!
16) go broke
to go bankrupt or to lose all the money a person or business had.
The majority of small businesses go broke within the first twenty-four months
17) go down the drainWhen someonewastes or loses something
A single mistake and all that time and money would go down the drain.只要发生一个错误，全部的时间和金钱就将尽付东流
18) go the extra mileto do more than what people expect.
做比期望的多得多的努力; 做更多，取得更大的成就To do your duty is not enough. You must go the extra mile.
只满足于分内是不够的，你必须多做一点点。19) go through the roof
The unemployment rate went through the roof。失业率飞涨
20) gray areasomethingthat is undefined and not easily categorized.
灰色地带，不明确，不清楚的状态Transitions aren't easy, so it's important to cut yourself some slack as you move through the gray area.
从毕业生到职场人的转型并不容易，所以当你穿过这片灰色地带时，克服自身的懒散非常重要。21) at stake
“At stake” means at risk.处在紧要关头
He Chinese nation has reached a point where its very existence is at stake.中华民族到了这生死存亡的关头。
22) catch someone off guardto surprise someone by doing something that he or she wasnot expecting.
令人猝不及防The government's decision to raise the interest rate caught everyone off guard - nobody expected it.
政府提升利率的决定令所有人猝不及防 — 没有人预料到这件事。23) cave (or cave in)
to give in or agree tosomething that someone previously did not want to accept.投降，屈服
The United States should also be made aware that China will not cave in the face of American protectionism or be led by the nose
美国也应该意识到，中国不会屈服于美国的保护主义，也不会被人牵着鼻子走。24) cut corners
to take shortcuts and find an easier or cheaper way to do something.抄近路，走捷径，偷工减料
Government officials insist they will not let the utility cut corners on safety.政府官员坚持他们将不会在安全设施上偷工减料。
25) cut one’s lossesto stop doing something that is unproductive and won’t evergenerate results.
从对自己不利的局面里撤出来，以减少损失Sometimes, there's nothing you can do to improve a situation. All you can do is cut your losses and try to find a better situation
有时候，如果你根本没法改变关系，那还不如趁早离开，免得再继续受罪26) A blue collar worker
someone who works with his hands(manufacturing, construction, maintenance, etc.).
27) A white-collar workersomeone who works in an office (customerservice, management, sales, etc.).
28) think bigto have ambitious goals and bigplans for the future.
雄心勃勃（偏非正式）If you want to succeed in business, think big.
如果你想在商业上成功，就要胸怀大志。29) think outside the box
to think of creative, unconventional solutions instead ofcommon ones.创造性思考，打破常规
Sometimes you have to think outside thebox & and the office.
30) uphill battleSomething that is difficult toachieve because of obstacles and difficulties
苦战; 恶战; 一场硬仗;
As it seeks to influence China's rise, the U.S. faces an uphill battle because this new economic reality has a profound effect on the balance of power between the two countries.