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
raise one 's arm in a call for action - rǎng bì yī hū
The earth is old and the sky is dim - dì lǎo tiān hūn
attach oneself to persons in power - pān gāo jiē guì