As cho explains her dissatisfaction with her current salary, her supervisor abruptly looks away and sighs. what does the supervisor's nonverbal behavior indicate

The behavior that the supervisor has shown in a non verbal way is a way of indicating that he has a strong displeasure of having to have heard Cho's dissatisfaction and worries. What supported the indication of the supervisor's action is his behavior of having to shown a way of looking elsewhere in avoiding Cho and sighing which could indicate a person feeling troubled or distress.