The Big Apple
【意思】New York City, New York, USA
【例句】Guess what! My friend and I are going to live in The Big Apple!
the big cheese大人物，就是公司内部非常重要或有实权的人物，这是个非正式的表达。
【意思】the boss, chief cook and bottle washer, head honcho
【例句】If you've got a complaint, see the big cheese - our manager.
The Big O
【意思】Olympic Stadium in Montreal
【例句】We watched Diane compete in the pentathlon at The Big O.
the big 0
【意思】zero, nothing, zip
【例句】You won a car. I got the big 0.
the big picture(事情的) 主要部分; 重点
【意思】all parts together, the whole plan, can't see the forest...
【例句】Look at the big picture. Doing two jobs will have a negative effect on your family.
the bigger they are the harder they fall 个头越大，摔得越重；爬得越高，跌得越重
【意思】we can beat the big guys, big players fall harder, mind over matter
【例句】"Look at all their big players!" "Don't worry. The bigger they are, the harder they fall!"
the bitter end到了尽头
Fight to the bitter end的意思就是奋斗到底，坚持不懈。
【意思】the end of a long struggle, the end of a difficult time
【例句】On a ranch you work till a job is done. You stay till the bitter end.
the blind leading the blind盲人给瞎子引路
【意思】the leader is ignorant or incompetent
【例句】With Filbert as President, it's the blind leading the blind.
the bottom fell out出現…的暴跌局面;出現…的垮台局面，暴跌
【意思】the project stopped, the business failed, the wheels fall off
【例句】When the price of oil dropped, the bottom fell out of the oil industry in Alberta.
the bottom line 底线
【意思】the final number, the conclusion
【例句】The bottom line is this: we can't afford to buy another store.