do things sloppily
As a Chinese idiom, Pinyin is zh ā NN í D à ishu ǐ, which means that speaking and writing are not concise or simple. It's from "spare time to send, exercise to teach music".
The origin of Idioms
Li Yu of the Qing Dynasty wrote in his spare time to send, exercise and teach music: "if there is any writing, it will be muddy and watery
Idiom usage
Used as predicate, attributive and adverbial; used in figurative sentences.
do things sloppily
they have retired from the court to take their their meal - tuì shí zì gōng
rush on like a swarm of hornets - fēng yōng ér shàng