-To ask for the moon:to wish something that is impossible or very difficult to happend.

-Hold the fort: you take care of a place when the person normally in charge is away.

-Under the table: It is used to describe secretive behaviour like corruption or illegality.

-To horse around: To do nothing.

-To have chickened out of something:To fail something becaouse you are afraid of it.

-When you say someone is a wise old owl you mean they are very experienced in life.
-A night owl is someone who stays up late into the night.
-A safe pair of hands: it refers to someone who can be to do a good job without any mistakes
-To hold your tongue: Similar to shut up
-black and white: To have very clear what is right and what is wrong.
-Money doesn't grow on trees: means you must not spent to much money, because it is not infinity
-Money is not object: means that you don´t have any problems with your money.

-Let the chips fall where they may: To let things happen as the are.
-When you say something is as cheap as chips you mean it is very cheap.