停滞tíng zhìstagnation; at a standstill; bogged down
滞留zhì liú(of a person) to remain in (a place) (due to circumstances that prevent one leaving); to be stranded; (of sth that would typically dissipate, e.g. floodwater, pollutants) to remain; to linger
停滞不前tíng zhì bù qiánstuck and not moving forward (idiom); stagnant; in a rut; at a standstill
凝滞níng zhìto stagnate; to congeal; (fig.) to stop still; to freeze