●A big fish in a small pond 大材小用
Jack was able to easily become the highest-performing salesman in his company, but after a while, it became clear that he was a big fish in a small pond.

●Always at your service 永遠為你服務
At the Grand Plaza Hotel, we're always at your service; our concierge desk is open 24 hours-a-day.

●All in a day's work 每天相同的常規的工作
Saving lives and property are all in a day's work for members of the Chicago Fire Department.

●As far as I am concerned 
我所關切的是
As far as I am concerned, personal visits are the only way to truly let your customers know that you care about them.

●As requested  如……所要求
I have provided copies of the sales invoices for last month, as requested.

●At your earliest convenience   
你方便的時候（希望對方愈快愈好之意）
Could you please contact me in the office at your earliest convenience

●Be delighted to 非常樂意 高興
I would be delighted to attend the honorary dinner for Sgt. Raines next Saturday.

●Cooking the books
資金不斷的減少，虧空
Many top executives have been prosecuted in recent years for allegedly cooking the books in their companies, in order to evade taxes or launder money.

●Get down to business  幹活吧
Now that everyone has had a chance to socialize a bit, it's time to get down to business

●Hard-nosed 有能力挑戰艱難工作的人
Neal Wright is a hard-nosed businessman, a ruthless negotiator able to shrewdly manipulate things in his favor.

●Look forward to your kind reply
希望很快有你的回應
Once again, it was great meeting you last week, and I am looking forward to your kind reply.