answer fluently
As a Chinese idiom, Pinyin is Du ì D á R ú Li ú, which means answering questions as fast as running water. Good eloquence and quick response. It comes from the biography of Li Xiaobo in the northern history.
The origin of Idioms
Biography of Li Xiaobo in northern history: "the wind is leisurely and elegant, and the answers are flowing."
Idiom usage
It's a good way to point out
answer fluently
answer as quickly as the flowing of water - yìng dá rú xiǎng