You're special.

你不一般。

Well done.

做得好。

I knew you could do it.

我知道你能做的。

You're on top of it.

你是数一数二的。

Now you're flying.

现在你起飞了(进步了)。

Now you've got it.

现在你做到了。

You're incredible.

你简直难以置信。

You can do it.

你能做到。

You're fantastic.

你真太妙了。

You're improving

你在进步。