Austin displayed conduct unbecoming of an officer and a gentleman.

奥斯汀的行为不符合军官和绅士的身份。

《柯林斯英汉双解大词典》

He was accused of conduct unbecoming to an officer.

他被谴责行为有失官员身份。

《牛津词典》

The head of Armscor, the state arms-procurement agency, was recently fired for dishonesty, dereliction of his duties and “disgraceful, unbecoming conduct”.

南非军备公司总揽该国的武器来源，近日他们的领导人因为欺诈、渎职和“不雅和不当的行为”遭到解雇。

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His lawyer, Samuel Spitzberg, says the charges will include dereliction of duty, conduct unbecoming to an officer and lying to investigators.

NPR: Two Years After Abu Ghraib, Abuse Reports Linger

Military prosecutors this week made their case against Army Lieutenant Ehren Watada, accusing him of refusing to ship out with his unit and of conduct unbecoming an officer.

NPR: What Does Watada Case Mean for Military Law?

The Hindu said Italy's refusal to send back Massimilian Latorre and Salvatore Girone "may win the new Italian government brownie points at home but is conduct unbecoming of a responsible nation".

BBC: Indian media: India 'embarrassed' by Italy marines move