It's a piece of cake!

Don't look a gifthouse in the mouth.
The grass is always greener on the other side.
Make Hay while the sun shines.
I'm over the moon.
Kill two birds with one stone.

It's very easy!
If you're good luck, don't let it pass you by.
Always others is better.
Do things on the right time.
I'm very happy.
Do two things at once.

(God)Bless you.
Grace.
Nice to meet you.
Could you do me a huuuuge favour.
Is it taken?
I'd love to but I have to wash my hair.
Excuse me.
Ta'la.
farewell.