He made a neat chopping motion with his hand.

他用手做了一个干净利落的砍的动作。

《柯林斯英汉双解大词典》

He stood at a whirring line all day, every day, making the same tiny mechanical motion with his wrist, for 20 pence an hour.

为了每小时挣20便士，他整天站在旋转的生产线旁，用手肘做着同样的微小机械动作，天天如此。

youdao

Try this simple experiment: Make a throwing motion with your arm.

试试这个简单的实验：用你的手臂投掷。

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It combines live action with motion-capture, animation and other technologies.

VOA: special.2010.03.01

The downbeat in the music comes with the down motion of the hand.

音乐的重拍,合着手势,下摆

耶鲁公开课 - 聆听音乐课程节选

Keep them up. Wave them in the air with a bit of motion.

先别放下手,再举一小会

耶鲁公开课 - 博弈论课程节选

The process set in motion with the LIHTC saw corporations provide capital in exchange for federal tax credits.

FORBES: For the 21st Century, a Network of Beneficial Philanthropy and Corporate Citizenship

They did this over and over to make sure the external carbon fiber plate allowed a natural motion with the foot.

FORBES: Jordan XX8 Sneaker 'Not For Everyone,' Inspired by Best Michael Jordan Quote Ever

The product, Microsoft says, can read your body and render your motion with less time lag than the Wii, which requires a controller.

FORBES: Videogames