流暢に英語を話す

speak English fluently

→ 流暢だ
phrase Rare #32,668
speak English fluently Describes speaking English smoothly and naturally, with a high level of proficiency.
JA: 彼女は流暢に英語を話す。
EN: She speaks English fluently.

彼女はたいへん流暢に英語を話す

She speaks English very fluently.

彼女は流暢に英語を話す

She speaks English fluently.