Wiktionary
classifiers: 件, 樁, 回
So this is the thing.
Source: Tatoeba
Was there such a thing?
Give me something to do.
I'd be crazy to do that.
Don't worry about this.
This matter is of great importance.
This is extremely confusing.
The matter is of no importance.
I'm really not happy about it.
Everybody knows that.
There's something I have to say.
I am not concerned with this affair.
I've got nothing to do with it.
What's new?
Anything new?
What is new?
Do you know this thing?
She has a lot of things to do.
There are too many things to do!
I have nothing to do with the affair.
I have nothing to do with this matter.
Our goose is cooked.
This matter is very urgent.