His English is not half as fluent as his brother's.
他的英语远不如他弟弟说得流畅。
At the end of that summer vacation, I found I became nearly as fluent as a native English speaker.
在暑假末期,我发现我的英语流利地像个以英语为母语的人。
They may have less access to information about proper use because they might not be as fluent as the general population.
她们可能因为语言表达不流利而对正确使用美甲品更缺乏了解。
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