1. He knits his eyebrows, looking worried.2. When he picked up the phone he began to knit his brows as though something bad just happened.
(verb) knit one's (eye)brows形容你很認真想事情或很緊張或很擔心時皺眉頭的樣子.
1. 他皺起了眉頭, 看起來很擔心的樣子.2. 他皺皺的眉頭令人不敢靠近.< >
My sister is bad-tempred and would snap at anybody whenever she feels like it.