Chinese

他在会议上发表不当言论，显得完全不知進退，让同事们非常困惑。

彼は会議で不適切な発言をし、進退をわきまえない態度を示して、同僚たちを非常に困惑させた。

During the meeting, his inappropriate remarks revealed that he had no sense of propriety, leaving his colleagues very confused.