'偷懒' literally means 'to steal laziness' — a vivid idiom expressing the act of avoiding work or effort, often secretly or without permission. The character 偷 (tōu) conveys stealth or underhandedness, while 懒 (lǎn) means laziness or unwillingness to exert oneself. Together, they form a verb describing intentional, often slightly guilty, shirking of responsibility — like skipping chores, daydreaming during class, or taking an unscheduled break at work.

This term is commonly used in informal, conversational contexts among peers, family, or supervisors giving light reprimands. It carries a mildly negative but not harsh tone — more teasing or disapproving than condemning. It’s rarely used in formal writing or serious criticism; instead, it appears in everyday speech, storytelling, and light media to depict relatable human behavior.