1
second-rate + noun
作定语修饰名词。
They gave a second-rate performance.
他们进行了一场二流的表演。
二流的；二等的；平庸的
先理解核心含义，再看它在真实句子里的用法。
二流的；二等的；平庸的
moderate to inferior in quality
They gave a second-rate performance.
他们进行了一场二流的表演。
质量平庸的；二流的。
Of mediocre quality; not first-rate.
质量中等的或较差的
moderate to inferior in quality
The hotel was second-rate, with dirty rooms and poor service.
这家酒店是二流的，房间脏乱，服务也很差。
He refused to settle for a second-rate education for his children.
他拒绝让子女接受二流的教育。
The movie was so second-rate that I walked out after thirty minutes.
这部电影太差劲了，我三十分钟后就离场了。
作定语修饰名词。
They gave a second-rate performance.
他们进行了一场二流的表演。
作表语，表示主语质量平庸。
The hotel service is second-rate.
这家酒店的服务是二流的。
表示在某方面较差。
This product is second-rate in quality.
这个产品质量平庸。
Not this
I bought a second-rate car from the dealership.
Use this
I bought a second-hand car from the dealership.
错误原因：'second-rate' 意为'二流的，平庸的'，指质量差；而描述旧货或二手车时应用 'second-hand'（二手的）。
Not this
He is a second-rate.
Use this
He is a second-rate player.
错误原因：'second-rate' 是形容词，不能直接作名词使用，需要后跟名词如 player，表示‘二流选手’。
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Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.