不得体

I was surprised by the impropriety of his remarks.

不得体,我听了很诧异。

His tactless words had incurred his father’s deep displeasure.

不得体语使父亲感到十分不快。

Your levity is unseemly at this time.

在这种场合,你轻举是不得体。

She bridled at the indelicate suggestion.

她对不得体暗示发怒了。