s. moderate to inferior in quality
s. poor to middling in quality
a. 不好不坏的, 通常, 平凡的
1. The movie was mediocre and didn't live up to the hype.
这部电影很平庸，没有达到宣传的效果。
2. His performance was mediocre, but he still got a passing grade.
他的表现一般，但他还是通过了考试。
3. She decided to leave her mediocre job and pursue her passion.
她决定离开这份平庸的工作，去追求自己的激情。