僵 (jiāng): rigid; deadlock; stiff (corpse); variant of 僵[jiang1]

He stood at the door, his smile frozen, not knowing how to respond.

Because the weather was too cold, my fingers were frozen stiff; I couldn't even hold a pen.

After the two argued, the atmosphere became very awkward; neither was willing to speak first.

He stood frozen in place, not moving for a long time, as if he had been frightened.