1
be topnotch
用于系表结构，表示某事物达到最高水平。
The service is topnotch.
服务是最高度的。
最高度
先理解核心含义，再看它在真实句子里的用法。
最高度
the highest quality
The service is topnotch.
服务是最高度的。
最高度
s of the highest quality
In this competition, only topnotch will be accepted.
在这场比赛中，只有最高水平的作品才会被接受。
She always strives for topnotch in her work.
她在工作中总是追求最高标准。
The company's reputation is built on topnotch.
这家公司的声誉建立在最高质量之上。
用于系表结构，表示某事物达到最高水平。
The service is topnotch.
服务是最高度的。
用作定语修饰名词，表示该名词所涉及的事物品质极高。
They offer topnotch quality.
他们提供最高度的质量。
Not this
This is top notch quality.
Use this
This is topnotch quality.
错误：'top notch' 应写为一个词 'topnotch'。'topnotch' 是名词，意为最高度，常用来描述事物的最高水平。注意不要拆分成两个词或加连字符。
Not this
He gave a topnotch presentation.
Use this
He gave a presentation of topnotch.
错误：'topnotch' 是名词，不能直接修饰名词。应使用介词 'of' 构成 'of topnotch' 来表示最高度的质量。
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