你可以用以下表达来形容一个人英语很好：
He is proficient in Engpsh. 他英语很熟练。
He speaks Engpsh fluently. 他英语流利。
He is an Engpsh speaker. 他会说英语。
He is fluent in Engpsh. 他英语流利。
来源：
这些表达均来自英语语言本身，无特定来源。
英文例句：
"John is an excellent Engpsh speaker. He can easily hold a conversation with native speakers."
"Sara is proficient in Engpsh. She studied abroad for a year and now speaks the language fluently."
"Tom is fluent in Engpsh. He has been learning the language since he was a child and it shows in his speaking and writing."
中文翻译：
"约翰英语说得很好。他可以轻松地和母语人士交流。"
"萨拉英语很熟练。她出国留学了一年，现在英语流利。"
"汤姆英语流利。他从小就开始学习英语，在说和写方面都表现得很好。"
He is proficient in Engpsh. 他英语很熟练。
He speaks Engpsh fluently. 他英语流利。
He is an Engpsh speaker. 他会说英语。
He is fluent in Engpsh. 他英语流利。
来源：
这些表达均来自英语语言本身，无特定来源。
英文例句：
"John is an excellent Engpsh speaker. He can easily hold a conversation with native speakers."
"Sara is proficient in Engpsh. She studied abroad for a year and now speaks the language fluently."
"Tom is fluent in Engpsh. He has been learning the language since he was a child and it shows in his speaking and writing."
中文翻译：
"约翰英语说得很好。他可以轻松地和母语人士交流。"
"萨拉英语很熟练。她出国留学了一年，现在英语流利。"
"汤姆英语流利。他从小就开始学习英语，在说和写方面都表现得很好。"