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1·He showed a reckless disregard for his own safety.

他对个人安危全然无所顾忌。《牛津词典》

2·Tends to show reckless disregard for the rights, property, or safety of others. 031.

倾向于对别人的权利、财产和安全表现出轻率、忽视的态度。

3·Gross negligence is the lack of even slight care, indicative of a reckless disregard for one's professional responsibilities.

疏忽是由于缺乏甚至轻微的护理，象征着一个鲁莽的忽视人的职业责任。

4·Excessive optimism and its close relation - a reckless disregard of risk - are widely blamed for helping carry the United States into the worst financial panic since the Great Depression.

过度的乐观和无视风险的鲁莽是一种近亲关系，它们促使美国进入了自大萧条以来最为严重的经济恐慌，因而受到人们的广泛指责。

5·Punitive damages in a defamation case are justified to punish a person for outrageous conduct which is malicious, wanton, reckless, or in willful disregard for another's rights.

在诽谤案是正当的惩罚一个人无耻的行为是恶意的，肆无忌惮的，鲁莽的，或故意无视他人的权利。