ONE NEW IDIOM: TO SQUIRREL AWAY

To squirrel away

Means:

to put (smthg) in a safe or secret place especially so that it can be kept for future use

(like a squirrel collects nuts for the winter)




EXAMPLE1:

She squirrelled away money from her paycheck each month to buy a new car

EXAMPLE2:

Lots of  kids squirrelled away their halloween candy in a safe spot so they can eat it in future days