carelessness
粗心,疏忽
Care·less·ness, n. The quality or state of being careless; heedlessness; negligence; inattention.
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carelessness
n 1: the quality of not being careful or taking pains [ant: carefulness]
2: failure to act with the prudence that a reasonable person
would exercise under the same circumstances [syn: negligence,
neglect, nonperformance]