The best way to use it is to keep it in one mind
It's an idiom with the pronunciation of "Y ù NY ò ngzh ī mi à OC ú NH ū y ì x ī n", which means skillful and flexible use. It's all about being good at thinking. It comes from the biography of Yue Fei in the history of Song Dynasty: "fighting after the battle is a common art of war; skillful use lies in one mind."
meaning
Wonderful: clever. Existential: existential. Heart: thinking. The ingenious and flexible use lies in the ability to think. Also for the province "use one heart". it originally refers to the flexible use of strategy and tactics in commanding operations in war, and the cleverness of which is good at thinking and judging. Mao Zedong's "on protracted war": the ancients said that "the use of the wonderful, save with one heart", this "wonderful", we call flexibility, this is the product of smart commanders.
Extension
It also refers to doing other things. It is generally used as adverbial. He is willing to use his brain, and his team has strength. No difficulty can be more difficult than him!
history
(yuan) Tuotuo et al. The biography of Yue Fei in the history of Song Dynasty: "the battle after the battle is a common art of war, and the ingenious use of it depends on one mind."
The best way to use it is to keep it in one mind
Draw the needle and pick up the mustard - yǐn zhēn shí jiè
in order of importance and urgency - huǎn jí qīng zhòng
good-naturedness leads to propitiousness - hé qì zhì xiáng
See the soup and see the wall - jiàn gēng jiàn qiáng
tears trickling down one 's cheeks - shān rán lèi xià