“He raised an eyebrow, which made Clary instantly jealous. She’d always wanted to be able to do that.
…
Magnus raised an eyebrow. Damn, Clary thought, another one.”

“Mr. Powell raised an eyebrow. 'I'm a librarian,' he said. 'I always know what I'm talking about.”

“"There might simply be nothing going on that might activate it. Perhaps there isn't anything here that Alec is afraid of."
Magnus glanced at Alec and raised his eyebrows. "Boo."”

“Jace raised his eyebrows. “Walk of shame, boys?”

“Percy scowled. "I-I know you."
Nico raised his eyebrows. "Do you?”

“Magnus raised his head and looked up and over at Alec; it was a look that made Clary flush and glance away. There was so much love in it, mixed with exasperation and pride and despair. It was an unguarded look, and it felt wrong to see it.”

“If the computer had been a human, its eyebrows would have raised.”

“This is your one chance. Tell me where the key is."
"Okay."
Serpine raised an eyebrow. "Really?"
"No, only joking. Do your worst.”

“The term knowledge raises philosophical eyebrows (strictly speaking, it should be called belief).”

“Her eyes winded. "I'm becoming addicted to you?."
He raised an eyebrow. "You say it like it's a bad thing.”