blanch with (an emotion)
To become visibly pale as a result of feeling a particular emotion. All of my friends ran into the creepy haunted house, but I blanched with fear when I saw it. Stella blanched with disgust at the plate of cooked ants that had been set before her.
blanch with something
Fig. to become pale with some emotion, such as anger or fear. He saw the injury and blanched with fear. Lily blanched with anger as Max walked out.