The dishes in this restaurant pass muster.

这个餐馆的菜还可以。

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　　pass muster，达到标准，还算令人满意（to be accepted as good enough; to pass an examination or inspection; measure up to a given standard）
　　例句：
　　His English is very fluent, and his pronunciation just passes muster.
　　他的英语很流利，他的发音也还不错。
　　She was not a first-rate violinist, but she passed muster.
　　她当时不是一流的小提琴手，不过她还算令人满意。