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commentator on [topic]
She is a well-known commentator on international relations.
她是一位著名的国际关系评论员。
评论员；实况广播员；注释者；时事评论员
先理解核心含义，再看它在真实句子里的用法。
评论员；实况广播员；注释者；时事评论员
a person who describes and gives opinions about an event, especially on television or radio
She is a well-known commentator on international relations.
她是一位著名的国际关系评论员。
进行评论的人,尤其是
A person who makes a commentary, particularly
观察并评论某事的专家
an expert who observes and comments on something
报道和分析时事的作家
a writer who reports and analyzes events of the day
The sports commentator described the final goal in an excited voice.
体育评论员用激动的声音描述了最后的进球。
As a fashion commentator, she writes about new styles every season.
作为一名时尚评论员，她每个季节都会写关于新风格的文章。
The commentators all agreed that the concert was a huge success.
评论员们都认为这场音乐会非常成功。
She is a well-known commentator on international relations.
她是一位著名的国际关系评论员。
He works as a commentator for the Olympic Games.
他在奥运会担任解说员。
He made a name for himself as a sports commentator.
他以体育评论员的身份成名。
Not this
He works as commentator for a sports channel.
Use this
He works as a commentator for a sports channel.
在英语中，可数名词单数前需要不定冠词"a"或"an"，而"commentator"是可数名词，所以"a commentator"才是正确的。
Not this
She is a well-known commentator of fashion.
Use this
She is a well-known commentator on fashion.
"commentator"常与介词"on"连用表示"关于...的评论员"，而"of"通常不用于此固定搭配。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
体育评论员
The sports commentator provided insightful analysis during the game.
体育评论员在比赛期间提供了深刻的分析。
政治评论员
She works as a political commentator for a major news network.
她在一家主要新闻网络担任政治评论员。
电视评论员
The television commentator described the ceremony in detail.
电视评论员详细描述了仪式。
广播评论员
He is a well-known radio commentator on current affairs.
他是一位著名的时事广播评论员。
特邀评论员
The show invited a guest commentator to discuss the election.
该节目邀请了一位特邀评论员讨论选举。
政府的评论员，他是国家的骄傲。
In R.E.M.'s song 'It's the End of the World as We Know It,' the commentator is depicted as a government mouthpiece.
在R.E.M.的歌曲《It's the End of the World as We Know It》中，评论员被描绘成政府的传声筒。
Use commentator naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想：comment（评论）+ orator（演说家）= 评论员。
通常用于体育赛事解说、新闻时事评论等场合，语气中性偏正式。
These words share the common ending '-ator', but their stressed vowels (æ, ɪ, ɔ, ɛ, eɪ, ɛ) differ from the stressed vowel of 'commentator' (ɑ); they do not rhyme. The target also has an extra 't' before '-ator'.
Dictionary facts from ECDICT, WIKTIONARY.