Slang 2017.07.10

1.All I know is that I'm going to be on the edge of my seat the whole game.

我确定，整场比赛我都会非常兴奋。

on the edge of one's seat:

(idiomatic) In suspense; waiting eagerly or anxiously for some resolution.

2.A lot of hard work has been going on behind the scenes.

舞台背后有很多不为人知的努力。

It was done behind the scenes.

这件事是暗中进行的。

behind the scenes:

(idiomatic) In secret; out of public view.

3.Hey, hope you break a leg tonight.

嘿，祝你今晚好运。

break a leg:

(idiomatic) Said to someone wishing they perform well in a theatrical production or comparable endeavor.