He was dismissed for impropriety.

他因行为不当而被革职。

She tried to conceal her impropriety, but was still exposed by someone else.

她试图隐瞒自己的不诚实做法，但还是被别人揭发了。

I can't believe you did such improprieties.

我不敢相信你竟然做出这等不得体的举止。

He resigned amid allegations of financial impropriety.

他因被指控在财务上不恰当的行为而辞职了

He resigned amid allegations of financial impropriety.

他因在财务上不恰当的陈述辞职了。

They were shocked by the impropriety of the young man's action.

他们为那年轻人的不当举止而感到震惊。

Impropriety is the soul of wit.

不当是风趣的精髓。

There was no evidence of impropriety.

没有什么不当行为的证据。

I was surprised by the impropriety of his remarks.

他的话不得体，我听了很诧异。