If you are careless, you do not pay enough attention to what you are doing, and so you make mistakes, or cause harm or damage. 粗心的
adjective [原级] 粗心大意的，疏忽的；自然的，随便的；淡漠的，不关心的
Some parents are accused of being careless with their children's health. 有些父母被指责对孩子的健康掉以轻心。
后缀: less
【adjective】 表示缺乏或没有某种特性 - indicating the absence or lack of a particular quality
原词: careless
是通过后缀 【less】 构成的派生词
