没什么大不了英文（没什么大不了用英语怎么说？）
1）It's really simple/It is a snap.很简略。
2）Kid's play 小儿科。
3）It's a piece of cake!小菜一碟！
4百思特网）It's as easy as pie.真是易如反掌。
5）It's no big dea百思特网l! 沒什么大不了的!
6）That's no sweat at all! 轻而易举的事。
7）Nothing to it!不费事
8）It's a cinch.小事一桩。百思特网