be in the centre of the axle -- hold an important official post
Juaxichuzhong, a Chinese idiom, Pinyin is j ū zh ó uch ǔ zh ō ng, which means being in an important position. From Xiandi Chunqiu.
The origin of Idioms
"Xiandi spring and Autumn Annals" says, "the public lives in the middle of the axis, and when they enter, they enjoy the upper seats, while when they leave, they belong to all eyes."
Idiom usage
Used as a predicate or attributive; used in writing
be in the centre of the axle -- hold an important official post
Carving insects and seal characters - diāo chóng kè zhuàn
give the rulers less while give the civilians more - sǔn shàng yì xià
insatiably covetous and gluttonous - tān yù wú yàn
claim credit for oneself and become arrogant - jū gōng zì ào