[纸上谈兵 / 紙上談兵, zhǐ shàng tán bīng, ㄓˇ ㄕㄤˋ ㄊㄢˊ ㄅㄧㄥ]lit. military tactics on paper (成语 saw); fig. theoretical discussion that is worse than useless in practice (cf. Zhao Kuo 趙括|赵括 leading an army of 400, 000 to annihilation at Changping in 260 BC); an armchair strategist; idle theorizing#40926[Add to Longdo]
[跃然纸上 / 躍然紙上, yuè rán zhǐ shàng, ㄩㄝˋ ㄖㄢˊ ㄓˇ ㄕㄤˋ]to appear vividly on paper (成语 saw); to show forth vividly (in writing, painting etc); to stand out markedly#54917[Add to Longdo]
[洛阳纸贵 / 洛陽紙貴, Luò yáng zhǐ guì, ㄌㄨㄛˋ ㄧㄤˊ ㄓˇ ㄍㄨㄟˋ]lit. to push up paper prices in Luoyang (成语 saw); fig. sensational popularity of a new book#97487[Add to Longdo]