- forehead. brow furrows [垄沟]/creases/wrinkles = lines appear on the brow because of thinking or being worried
- an eyebrow. knit one's brow(s) = frown, 皱眉, “眉毛拧成一个疙瘩”
纹眉是利用传统的纹身术对眉毛进行美容的一种方法：针尖刺破皮肤并把不能被人体吸收的金属氧化色素注入真皮层内。它是80年代较为流行的一项美容技术。并不是所有的人都需要纹眉，也不是所有的纹眉都能达到增添美感的目的。
- 12 Types of Eyebrow Shapes and What They Reveal About You (byrdie.com)
- How To Choose The Perfect Eyebrow Shape For Your Face (browbetty.com)
Times have changed since the Ultra Thin eyebrows of the 1990s and now we’re in the golden age of bigger, fuller brows—not quite woolly bear territory, though. So whether you’re planning an attack with tweezers, threads, razors, or wax, you’re gonna need to know that secret formula. Make those eyebrows do their job. Make them accentuate your beautiful facial features; they answer to you now. We hope this guide demystifies perfect eyebrow shapes and all their hidden secrets. Who knows, maybe you know a couple of woolly bear caterpillars that might want a quick trim.
threads... 开脸，也叫做开面、绞面、绞脸。是古代中国女子在出嫁前必须经过的一道环节，指的是女子出嫁时去净脸和脖子上的汗毛、修齐鬓角的过程。用一根长线，两头系在一块打上结，绕几个交叉，成“剪刀”状，开脸人用双手的食指和拇指绷紧，并用牙咬着线的一端，把线贴着女孩的脸，两手和嘴同时向外撑开，就把脸上的汗毛绞下来了。