My brother can be annoying at times.
My brother gets on my nerves sometimes.
A very severe headache, as if an imaginary axe is "splitting your head in two".
You are alot like you mother/father/brother/sister.
Which border do you mean? If you are looking for the answer to the Times Jumbo Crossword 820 the answer is 'Scotticism'!
It's not really an idiom. It means "what are you thinking about."
It is not an idiom, it means your nose is itching.
RFP is not an idiom. It's an abbreviation.
This is the equivalent of our American idiom: If you fail, try try again.
"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
Never heard of that one, but we say "take forty winks" to mean have a little nap.
This is not an idiom. It is a measurement. $100,000 is how you write it in numbers.