inattentive
... I inattentive laughs » 我漫不经心的笑 inattentive » 不留神 mindless » 盲目 ...
negligence
... neglectful a. 忽视滴;不警惕滴 negligence n. 怠慢;不留神 negligible a. 可疏忽滴;无关紧要得 ...
unguarded ; mindless
It slipped my mind
unguardedly