这家商店主要卖一些便宜货，质量都不太好。

This shop mainly sells ___cheap items that aren't very durable.

这周末我们只打算找些便宜的娱乐活动。

This weekend we're just planning to catch some ___cheap for entertainment.

别当吝啬鬼，偶尔请朋友吃顿饭吧。

Don't be such a ___cheapskate, treat your friends to dinner once in a while.