HSK 7–9 · verb
吃亏
to suffer a loss; to be at a disadvantage
买东西前多问问，免得吃亏。
Mǎi dōngxi qián duō wèn wèn， miǎnde chīkuī。
Ask more before buying things, so you don't suffer a loss.
他做生意很精明，从不吃亏。
Tā zuò shēngyi hěn jīngmíng， cóng bù chīkuī。
He is shrewd in business and never takes a loss.