纸上谈兵
zhǐ​shàng​tán​bīng

idle theorizing

  • created sense approved 纸上谈兵/紙上談兵 · zhǐ​shàng​tán​bīng · idle theorizing

    纸上谈兵 / 紙上談兵

    zhǐ​shàng​tán​bīng

    idle theorizing

    engaging in impractical or theoretical discussion that is useless in actual practice; literally planning military tactics on paper

    制定计划不能纸上谈兵，要考虑实际操作的难度。

    idiom

    created sense