粗心 → ☊ 
cẩu thả bất cẩn 
carelessly 
careless ☊ 
bất cẩn ☊ Attributes like: bất cẩn → →
unaufmerksam ☊ không chú ý, bất cẩn ☊ 
不专心的 ☊ bù zhuānxīn de unaufmerksam ☊ không chú ý, bất cẩn ☊ ☊ It was careless of me to leave the door open. ☊ careless ☊
Don't be so careless about/with spelling. ☊ careless ☊
a careless worker/driver ☊ careless ☊
a careless mistake/error ☊ careless ☊
fault (for doing sth): It's your own fault for being careless. ☊ fault ☊
lose sb sth: His carelessness lost him the job. ☊ lose ☊