تعليم عبارات اصطلاحية Idiom of the Day: Screw Up and Nail

A carpenter uses both nails and screws. Nails are used with hammers. Screws are used with screwdrivers. Nail and screw are also used in these expressions.
Screw up: to make a mistake; to do something incorrectly.
“I don't know what I did, but I somehow screwed up the computer.”