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zhǐ shàng tán bīng
zhàn guó shí zhào guó míng jiāng zhào shē
de ér
( s h ē )
zhào kuò huān kàn bīng shū bìng
qiě ài tǎo lùn jūn shì zhàn shù
bīng shū bèi gǔn guā làn shú
tán zhàng lái tóu tóu shì dào
hǎo xiàng de qīn shì
de duì shǒu
dāng qín guó gōng jìn jūn gōng zhào guó
de shí hòu zhào wáng pài zhào kuò
lǐng shí wàn jūn kàng
yóu zhǐ zhī dào kōu shū běn
ér huì zài shí zhōng líng huó yùn
yòng zuì hòu zhǐ huī shī
zhì quán jūn miè
zhōng jiàn shēn wáng
zuì hòu rén men gēn zhè shǐ
shì kōu shū běn méi
yǒu shí jīng yàn zhǐ huì kuā kuā
tán chēng wèi zhǐ shàng tán bīng
In the Warring States Period (战国), the State of Zhao (赵国) had a famous general called Zhao She, whose son, Zhao Kuo, was very fond of reading books on military science and discussing strategy. 
He could learn military texts by heart, and when discussing warfare he spoke so clearly and logically that it seemed that even his father was not his match.
When the State of Qin attacked the State of Zhao, the ruler of Zhao ordered Zhao Kuo to lead 400,000 men to resist the attack.
But since Zhao Kuo had no practical experience of battle, he was defeated and lost his life.
Later people used this idiom to describe those who are good only at theorizing, and lack practical experience.
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