Stiff, straight fingers are your models way of telling you she is nervous with her body language.

僵硬、笔直的手指会是模特告诉你她很紧张的一种身体语言。

youdao

Blessed with elegant, long, straight fingers and deep nail-beds, Miss Howorth, who lives in Chelsea, has been a hand model since the age of 15.

得益于优雅、纤长、笔直的手指以及深色健康的甲床，居住在切尔西的豪沃斯小姐从15岁起就成了一名手模。

youdao

This gesture mimes the closing of the mouth. Hold the fingers straight and then close them against the thumb.

这个手势模仿的是嘴巴的闭合。将四只手指竖直并拢并向大拇指方向闭合即可。

youdao

Stand at your desk, and, arms straight, place your palms on the desk with your fingers pointed toward you.

FORBES: Magazine Article

Three fingers, but staggered, rather than in a straight line?

ENGADGET: Razer Blade review (late 2012)