‘白赚’ is a colloquial verb meaning to gain something valuable—like money, time, or benefit—without effort, cost, or risk. Literally, 白 (bái) means 'in vain' or 'for nothing', and 赚 (zhuàn) means 'to earn' or 'to make profit'. Together, they convey the idea of 'earning for free' or 'getting something effortlessly'. It often carries a positive, slightly playful tone, implying good fortune or a lucky break.

This expression is commonly used in informal spoken Chinese—especially when discussing deals, discounts, bonuses, or unexpected advantages. It’s not appropriate in formal writing or serious contexts like official reports or academic papers. Native speakers frequently use it in daily conversations about shopping, work perks, or social favors—e.g., getting a free upgrade or receiving unearned praise. While it can describe tangible gains (money, gifts), it also applies to intangible ones like time saved or reputation gained without effort.