—Hi, how's it going? 喂,都还好吗?
—Do you have any idea what time it is? 你知道现在几点了?
—Yes, don't freak out. I'll be there in no time. 知道,放心吧,我快到了。
How's it going?=How are you?/Hello.
Do you have any idea how hard/important this is?
你知道这个有多么困难/重要吗?
Don't freak out.=Don't worry. 放心
to freak out=to worry/to be scared
I have test tomorrow, I'm freaking out. 明天要考试了,我很担心。
That movie freaked/scary me out. 那部电影很吓人。