IDIOMS

To ask for the moon: to make unreasonable demands for things or to wish something impossible to achieve or to obtain 

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

Under the table: is a phase used to describe secretive behaviour often suggesting corruption or illegality

To horse around: like goof off

When someone has chickened out of something: they have failed to do something or they haven´t tried to do it because they were afraid 

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

When you say someone is in safe hands you mean they are being cared for someone who is confident and skilled

A safe pair of hands: is a similar expression it refers to someone who can be to do a good job avoiding mistakes

If someone tells you to hold your tongue it means they want you to stop talking because they don't like what you are saying

If a situation is black and white it means you have a clear opinion about it and you can easily see what you think is right and wrong

Money doesn't grow on trees: means you must not spent to much money as there is a limited amount of it

Money is not object: means that you have a lot of money available to spend

Let the chips fall where they may means to allow things to happen no matter what the consequences are

When you say something is as cheap as chips you mean it is very cheap

If you are chasing your tail you are very busy doing a lot of things but not achieving very much