do things stealthily
Chinese idiom, Pinyin is t ō UJ ī m ō g ǒ u, which means stealing, also refers to improper activities. From the water margin.
The origin of Idioms
The 46th chapter of Shi Naian's the complete story of the water margin in Ming Dynasty: "the villain is here now, and he only does some business of stealing chickens and dogs. When is it? The two brothers who follow him go up the mountain, but it's not good?"
Idiom usage
He Shi; as predicate and attributive; with derogatory meaning. example stay at home all day ~, it's fishy and smelly, take your house! A dream of Red Mansions by Cao Xueqin in Qing Dynasty Chapter 44
do things stealthily
recover one 's original simplicity - fǎn pǔ huán zhēn