The way he strokes his index finger against his lower lip?

是食指轻触下嘴唇的方式吗？

She uses a thumb or forefinger to hold one nostril closed at a time.

她拇指或食指捂住一个鼻孔。

Let me show you. Look, at first place both sticks between the thumb and the fore finger, then, keep one still and move the other, so as to make them work like pincers.

先让我给您示范一下。您看，先把两根筷子放在大拇指和食指之间，接着固定这根再移动另一根，这样就可以使它们像钳子一样灵活了。

The book tried to bite, but Hagrid ran a giant forefinger down its spine, and the book shivered, and then fell open and lay quiet in his hand.

这本书想要咬人，但海格的食指在书脊上从上到下一滑，这本书就发抖了，然后打开了，安安静静地躺在手上。

Lucius froze, his index finger hovering over his own Mark.

卢修斯一下子僵住了，的食指停留在黑魔法标记上。

Despite having a brain no bigger than the tip of your index finger, pigeons have a very impressive visual memory.

尽管鸽子只有一个不大于你食指尖的大脑，但它们的视觉记忆力却很引人注目。

So, the blade faces up, perfect, so you're holding with your thumb, your index is out, wrap and twist, and then, keeping the prongs down, they go into your mouth.

刀刃朝上，完美，你的拇指握住，食指伸直，握住，翻转，保持叉子朝下，然后入口。

His index finger is the brush. The screen, a canvas. His digitial works are on display in San Francisco.

的食指就是画笔，屏幕则一块帆布。现在，的数码品在旧金山展出。

Instead, after pinching the teacup handle with your forefinger and thumb, the remaining fingers are either used to neatly steady the bottom of the teacup or otherwise tucked into the palm of your hand.

拇指与食指轻捏杯柄，其余手指自然收拢，或轻托杯底。

It's basically a little bit longer than my index finger.

基本上就比我的食指长一点。

The tasks included tapping the forehead and ear with an index finger, tapping a toe on the floor, or simply staring at a wall.

这些任务包括一根食指点额头和耳朵，一根脚趾叩地板，或仅仅是盯着一面墙看。

Squeeze my thumb and finger to make it stop.

拇指和食指挤住它停下来。

Keep the thumbs and forefingers of both hands together.

双手的大拇指和食指分别靠在一起。

Then pinch your index finger and thumb together to select it.

然后捏住你的食指和拇指来选择它。

The only way to protect yourself from the Cheese Touch is to cross your fingers.

保护自己免受“奶酪附体”的唯一办法，就是食指搭在中指上十字架状。

Put your thumb here and your index finger here.

把你的大拇指放在这里，食指放这里。

When I touch the soil with my index finger it feels a little bit dry.

我食指触摸土壤时，感觉有点干。

Index, middle and ring fingernails grow fastest.

食指、中指和无名指的指甲长得最快。

" Exactly! " said Xenophilius, his forefinger raised pedantically.

“正确！”，谢农费里厄斯，斯文地竖起食指。

I took it up between my finger and thumb.

我拇指和食指把它拔了出来。