smile line

基本解释

A total of 14 percent moan about the 'smile lines' on their faces.
14%的女性会哀叹自己脸上的笑纹。
www.chinadaily.com.cn
Japan Trend Shop are selling a 'face bra' that promises to help fight the smile lines that grow more prominently with age.
这家日本潮流商店正在出售一种叫做“脸部内衣”的仪器，据说可以帮助减少笑纹，这种皱纹会随着年龄增长愈发明显。
Some 14 per cent moan about the “smile lines” on their faces. A third grumble that their teeth aren't white enough and a quarter worry that they're wonky.
有大约14%的女性抱怨自己的“微笑弧度”不美，1/3的女性抱怨牙齿不够白，另有1/4的女性担心自己表情看起来怪怪的。

At 58, he is a handsome guy: a tanned face with vivid white teeth, well-worn smile lines around his eyes, an artful salt-and-pepper stubble and a mop of dark hair whose heft he attributes to his daily Tibetan yoga rites.
FORBES: Brunello Cucinelli: Life By Design
With Scott Bakula and also such comedians as Joel McHale and Tom Papa, who give their lines slightly ironic inflections—a pause, a smile—that throw the scenes off kilter.
NEWYORKER: The Informant!