Be down and down
Chinese idiom, Pinyin is zh é ɡǎǎǎ ozh è NLU ò, which means to break the dead branches and shake down the dead leaves. Metaphor is easy and effortless. It comes from Huainanzi · human training.
The origin of Idioms
"Huainanzi · human training": "Liu and Xiang Xingyi's troops will be determined according to the situation, if they are haggard and vigorous."
Idiom usage
It's easy to refer to
Be down and down
be six of one and half a dozen of the other - bàn jīn bā liǎng
acclaim as the acme or perfection - tàn guān zhǐ yǐ