have an easy control in the matter
Chinese idiom, Pinyin is Z ò NGK ā IH é, which means to operate freely. It comes from the preface to the time of presenting to the king.
The origin of Idioms
Fang Xiaoru's preface to the time of presenting to the king in Ming Dynasty: "Yao is a kind of art, but it is open and closed vertically and horizontally. It's not appropriate to do nothing. It's just like the work of a special scholar and it's poor!"
Idiom usage
Used as a predicate or attributive; used in writing.
have an easy control in the matter
able only to see the little patch of sky above - jǐng dǐ míng wā