Please tell me some useful expressions which can be used in a quiz programme;secondly,please give me a detailed explanation of the expression "big deal"and "no big deal" with some examples.
"No big deal" is used to say that something is not important -
A "I have broken that jug of your mother's."
B "No big deal."
"Big deal" can be used to question if something is important or not.
"Is it such a big deal to go to your brother's birthday party?"