sth. one knows well and can manage with ease
It's a Chinese idiom. Pinyin is Q à ngch à sh ú D à o, which means to do something familiar and easy. From xufanting's Moganshan.
Idiom explanation
I am familiar with something and can do it easily.
The origin of Idioms
Xu Fanting's "Mogan mountain" says, "I'm familiar with the way to find autumn, and I'll go to Lin'an with my friends in the afternoon."
Idiom usage
It is easy to do things
Chinese PinYin : qīng chē shú dào
sth. one knows well and can manage with ease
a verbal statement without any proof. kōng kǒu wú píng