劳 (láo): work; labor.

Meanings: A pictograph, "勞" is to toil (力, strength) indoors (冖, roof) by fire (火, fire). So, the character means to "toil" or "work hard. It has been simplified to "劳."

Phrases: 劳动 (láodòng): labor;

劳累 (láolèi): tired;

劳碌 (láolù): work hard; toil.

Examples: 一切知识起源于劳动。

Yíqiè zhīshi qǐyuán yú láodòng。

All knowledge comes through work.

他整天劳碌，但挣得很少。

Tā zhěngtiān láolù, dàn zhèng de hěn shǎo。

He toiled all day long but earned little.