wèi le / shěng / yì diǎn / qián / ér / mǎi / liè zhì / chǎn pǐn / zhēn shì / tān xiǎo shī dà

为了省一点钱而买劣质产品，真是贪小失大。

Buying inferior products to save a little money is truly penny wise and pound foolish.