Subject + 动 / Verb + 动
动 (dòng) means 'to move' or 'to stir,' indicating that something begins or undergoes physical motion. It is a highly versatile character that also serves as a component in many compound verbs like 运动 (exercise) and 感动 (moved emotionally).
别动,让我帮你把头发上的树叶拿掉。
Bié dòng, ràng wǒ bāng nǐ bǎ tóufa shàng de shùyè ná diào.
Don't move, let me remove the leaf from your hair.
地震的时候整栋楼都在动。
Dìzhèn de shíhou zhěng dòng lóu dōu zài dòng.
During the earthquake, the entire building was shaking.
这个箱子太重了,我一个人搬不动。
Zhège xiāngzi tài zhòng le, wǒ yī gè rén bān bù dòng.
This box is too heavy, I can't move it by myself.