Write it down
It's a Chinese idiom. Pinyin is Tu ò D ì ch é NGW é n, which means agile thinking. From the miscellany of Yunxian.
The origin of Idioms
Feng Zhi's Yunxian Zaji in the Tang Dynasty has an item of "writing on the spot", praising Li Heyun: "some people pay a visit to Li He, but they don't speak for a long time. Three people spit on the spot, and three people write on the spot."
Idiom usage
Used as a predicate or attributive; used in writing.
Chinese PinYin : tuò dì chéng wén
Write it down
clasp an enemy to one 's bosom. rèn zéi wéi fù
be engraved on the heart and memory. míng jì bù wàng
accuse one falsely for receiving bribery. yì yǐ míng zhū
incite somebody to take legal proceedings against somebody else. tiáo cí jià sòng
have a special insight understanding. bié jù huì yǎn
recover one 's youthful vigour. fǎn lǎo huán tóng
safeguard the country and its people. hù guó yòu mín