Excuse me. I'm lost.

Calm down. Where are you going?

Oh my God! Oh, no! What am I going to do!? --Just calm down. /Cool down.

Take it easy. Don't work so hard. 别紧张

I can't take it easy. This is due in the morning.

Don't over do it. 别干得太多!

Don't overextend yourself.

What? You mean I'm too short?

Don't get so uptight. 别当真。

Don't get so worked up.

Don't be so stiff. 放松点儿

Kick back! /Loosen up. 随便点、放松点

Kick back, make yourself at home.

Just relax! /Take it easy!

I'm sorry, I'm going to be a little late.

That's okay. Take your time.不用着急

Wait! I need to go to the bathroom.

There's no need to rush. 别急。

You don't need to hurry.

No rush. /No hurry.

Don't rush on my account. 不用为我着急