憋 (w)

(biē) to choke; to stifle; to restrain; to hold back; to hold in (urine); to hold (one's breath)

憋闷 (w)

(biēmen) to feel oppressed; to be depressed; to feel dejected

憋气 (w)

(biēqì) to feel suffocated or oppressed; to choke with resentment; to feel injured or resentful