假一賠十

lit. if one is fake, I shall compensate you for ten of them / fig. (of goods) 100% genuine

used in 假掰[gei1 bai1]

fake / false / artificial / to borrow / if / suppose

vacation

variant of 假[jia3] / to borrow

one / single / a (article) / as soon as / entire; whole; all; throughout / "one" radical in Chinese characters (Kangxi radical 1) / also pr. [yao1] for greater clarity when spelling out numbers digit by digit

to compensate for loss / to indemnify / to suffer a financial loss

ten / 10