It is your job to correct them gracefully and not to be snippy about it.

你的任务是得体地纠正他们，而不是急躁地呵斥。

I wasn't as snippy or grumpy.

我不再是那个脾气暴躁的人了。

Geez, the guy gets a solo adventure and he gets all snippy.

去，这家伙跑了段单人剧情就开始摆架子了。

He's the snippy guy who decides who goes on the platform to dance.

他就是那个决定谁可以上台跳舞的跩家伙。

You have no call to get snippy with me, I'm just doing my job here.

你没必要跟我急吧？我只是执行公务而已。