劳动 means "labor" or "work" and refers to physical or productive effort, often in an economic or social context. It can function as both a verb (to labor) and a noun (labor), and appears in compounds like 劳动力 (labor force).
爷爷劳动了一辈子,手上全是老茧。
yéye láodòng le yī bèizi, shǒu shàng quán shì lǎojiǎn.
Grandpa worked hard his whole life — his hands are covered in calluses.
我们应该尊重每一个劳动的人。
wǒmen yīnggāi zūnzhòng měi yī ge láodòng de rén.
We should respect every person who works.
适当的体力劳动对身体有好处。
shìdàng de tǐlì láodòng duì shēntǐ yǒu hǎochù.
Moderate physical labor is good for the body.