他面临涉嫌不正当财务行为的控告。

He faced charges arising from alleged financial irregularities.

《柯林斯英汉双解大词典》

法官执法时不允许有不正当的行为。

Judges cannot permit irregularity in carrying out justice.

《新英汉大辞典》

首先，我不能容忍骚扰或任何其它形式的不正当行为。

First, I will not tolerate harassment or any other form of misconduct.

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