ADJ-GRADED
(語言或文字)流暢的，熟練的;文筆好的
If your speech, reading, or writing is fluent, you speak, read, or write easily, smoothly, and clearly with no mistakes.
例句
He had emerged from being a hesitant and unsure candidate into a fluent debater.
他從一個吞吞吐吐、缺乏自信的候選人成長為口若懸河的辯論者。