If you do something 'until you are blue in the face', it means you work very hard on it or do it for a long time, but in the end waste your efforts because you are not successful.
If you watch something that is very long and boring, you can say it is like watching paint dry.
When someone is described as 'a fish out of water' it means they are not comfortable in a particular situation.
If you set the wheels in motion, you do something which will cause a series of actions to start.
A crowd pleaser is someone or something that is always popular with large numbers of people.
When something is described as being as flat as a pancake, it means it is very flat.
'An old head on young shoulders', or 'a wise head on young shoulders' is a young person who behaves like an older person with more experience.
If something is 'as dead as a dodo', it is no longer important or popular. This phrase is often used to talk about ideas or trends.
Someone with a heart of gold is a genuinely kind and caring person. They would do anything for you.
If someone or something is an 'odd man out' or an 'odd one out', it is unlike the others in a group.
