fluently
adv. 流利地；（做事）毫不费力地；顺利地，流畅地
例句
She talked ungrammatically but fluently.
她讲话不符合语法规则，却很流利。
《柯林斯英汉双解大词典》
He spoke fluently and without unnecessary hesitations.
他说得很流畅，毫不支吾。
《牛津词典》
She speaks French very fluently, but her pronunciation lets her down.
她法语讲得很流利，但美中不足的是发音不大好。
