phrase informal B2 used to emphasize that you do not think something is important: "It looks as if we are going to lose." "Who cares?"“看来我们好像要输了。”“谁在乎呢？” "I don't suppose she'll want to work with us again." "Oh well. Who cares?" "I don't think Peter's going to be happy when he hears about this." "Who cares what Peter thinks?" Who cares if people don't like your hair? The important thing is that you like it. I probably should have worn something a little smarter for the occasion. Ah, who cares? What matters is that I'm here. Synonym
so what?informal See also
careverb(WORRY)
who cares | American Dictionary
who cares
idiom used for showing you are not interested in something: “There’s a dorm meeting tonight.” “Who cares?”