English Slang collection：

　　bing deal

　　[释] an important thing;

　　[例] Healthcare reform is a big deal.;

　　big head

　　[释] conceit;

　　[例] Ever since he got that promotion, Dave's had a big head.;

　　bing gun

　　[释] a powerful person;

　　[例] The president brought two big guns to the meeting.

　　big bucks

　　[释] a large amount of money;

　　[例] I made some big bucks last week. I didn't expect that I could make so much money.;

　　big cheese

　　[释] an important person;

　　[例] I have to be fully prepared for the speech as the big cheeses will be here tonight.

　　bigger fish to fry

　　[释] more important things to do;

　　[例] Let's not worry about logo design. We have bigger fish to fry.;

　　big mouth

　　[释] a person reveals information that they shouldn't;

　　[例] You shouldn't have told Jack our plan. He's a big mouth.