我看着他的手指在每个字母下面慢慢移动，试图说出“Bud the Sub”。

I watched his fingers move slowly under each letter as he tried to speak out "Bud the Sub".

youdao

他会在钢琴上笨拙地移动自己的手指，然后她会接替他的位置。

He'd move his fingers clumsily on the piano, and then she'd take his place.

youdao

看着她的手指灵巧又不出错地移动是很美妙的。

It was wonderful to watch her fingers moving deftly and unerringly.

《柯林斯英汉双解大词典》

That's the finger thing from left finger to right finger going back and forth across the board, never touching a number more than once.

在合并时，我的左手手指,和右手手指来回地在黑板上移动，但对每个数字只会碰到一次。

哈佛公开课 - 计算机科学课程节选