憋闷 (biē mèn): to feel stifled or oppressed

The room's windows had been closed all day, and with no ventilation, it felt a bit stifling.

He sat in the crowded subway, surrounded by people, and felt increasingly stifled.

It rained for three days straight, and unable to go out, I felt miserable and cooped up at home.

With heavy work pressure and no friends to confide in, he felt extremely stifled.

Every time I attend such a lengthy meeting, I feel stifled and really want to go out for some fresh air.