劍橋詞典abbreviation for can't be arsed : used when you do not want to do something because you feel lazy 懶得做 （表示自己嫌麻煩， 而拒絕對方的提議，can't be arsed的縮寫） "Do you want to go out?" "CBA." “想出去轉轉嗎？”“懶得去?！?返回 CBA