big deal
Longman Dictionary of Contemporary English 5++LDOCE 5++ˌbig ˈdeal noun [singular] spoken 1 used to say that you do not think something is as important as someone else thinks it is 没什么大不了的 It’s just a game. If you lose, big deal. 这只是个游戏，就是输了也没什么大不了的。 What’s the big deal? It’s only a birthday, not the end of the world. 有什么大不了的？不过是个生日嘛，又不是世界末日。 It’s no big deal. Everybody forgets things sometimes. 没有关系，谁都有记性不好的时候。2 an important or exciting event or situation 重要的事情[情况]，令人激动的事情[情况] This audition is a big deal for Joey. 这次试演对乔伊来说是一件大事。3 make a big deal of/out of/about something spoken to get too excited or upset about something, or make something seem more important than it is 把某事小题大做 I know I’m probably making a big deal out of nothing, but I’m worried about you. 我知道我可能有点小题大做，但我是担心你。
Examples from the Corpus
big deal• The fact is, it is a big deal.• That may not seem like a big deal, but for me it was a triumph.• If I had twisted my ankle, would people be making such a big deal of it?• Those of an unkind disposition might argue that mangling a non-first-class attack is not an especially big deal.• I had to adjust to not being the big deal.• He is a tremendous big deal now!It’s no big deal• To them it's no big deal.• If you were, it's no big deal and you could have a perfectly happy life with the right partner.• If they don't work, it's no big deal.ˌbig ˈdeal nounChineseSyllable
to Corpus used something do that not say think you
big deal
ˌbig ˈdeal
noun [singular] spoken
1. used to say that you do not think something is as important as someone else thinks it is:
It’s just a game. If you lose, big deal.
What’s the big deal? It’s only a birthday, not the end of the world.
It’s no big deal . Everybody forgets things sometimes.
2. an important or exciting event or situation:
This audition is a big deal for Joey.
3. make a big deal of/out of/about something to get too excited or upset about something, or make something seem more important than it is:
I know I’m probably making a big deal out of nothing, but I’m worried about you.
ˌbig ˈdeal
noun [singular] spoken1. used to say that you do not think something is as important as someone else thinks it is:
2. an important or exciting event or situation:
3. make a big deal of/out of/about something to get too excited or upset about something, or make something seem more important than it is: