As a tour guide, you must be very fluent in English.

作为导游，你的英语口语必须非常流利。

youdao

I saw her at the exit, he said in nearly fluent English. "at that moment, I'm very excited for her."

“我在安全出口处看着她，”他用一口近乎流利的英语说，“那时，我和女友非常火热，我没有意识到后果的严重。”

youdao

It's okay in a very very small way. It's not the key for success. A key to success is authentic natural fluent English.

从很小的层面上来说是可以的，但这并不是成功的关键。关键在于能够真实自然地说出流畅的英语。

youdao

Beginning at 8am my very knowledgeable guide, who was also completely fluent in the English language, whisked me away (on foot) as we proceeded to walk through the Forum, into the Colosseum and over to the Pantheon.

FORBES: Rome In A Day: The Best Walking Tour Of The Eternal City