temerity

1. N-UNCOUNT If you say that a person has the temerity to do something, you are annoyed about something they have done which you think showed a lack of respect. 失礼[usu N to-inf] [表不满]

"Difficult" patients have the temerity to challenge their doctors' decisions. “难缠”的病号会冒然挑战他们的医生的决定。