out of countenance

“Yes, Jo, I think your harvest will be a good one,” began Mrs. March, frightening away a big black cricket that was staring Teddy out of countenance.

“Look the thing in the face. Look into your affairs. Stare them out of countenance.”

“So I would, Handel, only they are staring me out of countenance.”

And whether he really had been dreaming or no, what was now lying at his feet, and staring him out of countenance with its big, green, unwinking eyes, was the cat; though certainly one of the largest cats he had ever seen.

Katrina never let any differences with her father stare her out of countenance, so as he turned toward his office she followed him.