breach of a duty

基本解释

For me to leave now would be a breach of duty.
我如果现在离开，就属于失职。
Suit for the breach of a civil duty must be brought by the person wronged.
破坏民事责任的诉讼案一定是由不法行为引起的。
blog.sina.com.cn
"It would be irresponsible, and arguably a breach of fiduciary duty, to ask investors for hundreds of millions of dollars to help facilitate another deal that may or may not happen, " one source said.
该消息人士说，“游说投资人大手笔投资来推动另一个八字还没一撇的交易是不负责的，同时也违反了信托责任。”

On the state level, backdating could involve a breach of fiduciary duty, a waste of corporate assets and even a usurpation of a corporate opportunity.
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Under the mitigation of damages doctrine, a party that suffers damages as a result of a breach of contract has a legal duty to mitigate those damages by taking reasonable action, wherever practicable, to avoid additional injury and minimize its loss.
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