No falter, no fall
Wutouwudao, a Chinese idiom, is w ú di ā NW ú D ǎ o in pinyin, which means "toutoutoudao", refers to insanity.
Idiom explanation
The words are confused. Of insanity. Wu, auxiliary word, meaningless.
Idiom usage
Used as an object or attribute; used in writing
No falter, no fall
change tactics as the situation demands - suí shí shī yí
mount tai and goose feathers -- a comparison of heavy and light things - tài shān hóng máo
engaging one to hold the " knife " -- employ a person to write an essay in one 's name - qiàn rén zhuō dāo
ready to die the cruelest death for principles - gān dǎn tú dì