"stop doing what one is doing; \"At midnight, the student decided to call it quits and closed his books\""@en-us . . . . . "call it quits"@en-us . . "02681335-v"^^ . . . "202681335"^^ . "0"^^ . "call it quits"^^ . . "202600505"@en-us . "0"^^ . "call it a day"@en-us .