knit (one's) brow(s)(redirected from knit his brows)
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knit (one's) brow(s)
To furrow one's brow, often due to worry or confusion. Whenever there was a problem, my dad would sit in his favorite chair, knit his brow for a while, and then announce that he had a plan. When I asked Bill about what happened, and he knit his brows, I knew I was about to hear some bad news.
See also: knit
knit one's brow
to cause one's brow to wrinkle. Bob knitted his brow when he was confused. Jane knitted her brow because she was angry.