Exaggeration
As a Chinese idiom, the Pinyin is Ju à NK à NGW à ngsh í, which means that it's impractical. From Duku magazine.
Idiom explanation
It's impractical to talk about drilling out of thin air.
The origin of Idioms
Song zengminxing's "Duku magazine" said: "we must not close our doors and close our eyes, and make false and false thoughts."
Idiom usage
As a predicate, attribute, etc
Exaggeration
peerless or matchless bravery or valour - yǒng guàn sān jūn
make amends for previous faults by some good services - jiāng gōng bǔ guò
unite all efforts for a common purpose - tóng xīn bìng lì
die for the sake of the country - yǐ shēng bào guó