Definition: to make your face show that you are annoyed or worried by moving your eyebrows Level: C2
当我提到他的名字时，她皱起了眉头。
She ___frowned when I mentioned his name.
她看着他并皱起眉头，奇怪的是，他却回以微笑。
She looked at him and ___frowned, strange, but he smiled back.
他对着吵闹的孩子们皱起眉头表示不赞同。
He ___frowned in disapproval at the noisy children.
