When someone asks to "pick your brain," they want to use your personal knowledge as a reference source to obtain desired information, usually by asking you a series of questions.
Any phrase that means exactly what it seems to mean is a NON-example. "The table was made of wood" is not an idiom.
It means that the person is giving you their full attention.
It means to explode with anger/vent anger. The boss really blew his stack when I told him to stick his job.
Yes, she is his older sister.
It means you do not have to pay for dinner,either it is free or someone else will pay for you. This idiom usually means the 'house' or restaurant owner will pay for not 'anyone'.
pay attention.
It's not an idiom. It means you pick and choose what you want -- pick something out and choose it from a selection.
A quill was a pen made from the feather of a large bird. To say "Pick up your quill" means start writing.
If you "pick up" a hobby, you start doing whatever it is, such as crochet or painting.
(In hatchet please answer this it would mean A LOT!!)
It is not an idiom, it means your nose is itching.
It's not really an idiom. It means "what are you thinking about."
RFP is not an idiom. It's an abbreviation.
"Sieve" is not an idiom. See the related link.
It's not an idiom. It means the tip of your nostril.
idiom means expression like a page in a book
This is not an idiom. It is a measurement. $100,000 is how you write it in numbers.