Head high head low
Head high and head low is an idiom. The Pinyin is t ó UG ā ot ó UD ī. It's hard to avoid a slight discrepancy between the description and the description. It comes from Li Cunbao's the 13th edition of the garland under the mountain.
explain
When weighing things with a scale, one end of the scale is a little higher or lower, and it is hard to avoid a slight discrepancy.
source
Li Cunbao's "garland under the mountain" 13: "it's not like a low-level lobbyist to trade naked, and it's not like a small peddler to fiddle with the weights in order to get high and low."
Examples
It's not as naked as a low-level lobbyist, and it's not as hard as a peddler to fiddle with the weights. The wreath under the mountain
Head high head low
Five ghosts make a miscarriage of Justice - wǔ guǐ nào pàn
The lower the school, the better the students - xià xué shàng dá