纸上谈兵

HSK 7-9

zhǐshàng-tánbīng

theoretical without practice; talk strategy on paper

别纸上谈兵

bié zhǐshàng tánbīng

Don't just talk about it on paper.

只会纸上谈兵

zhǐ huì zhǐshàng tánbīng

Just talking about it on paper.

实践不是纸上谈兵

shíjiàn bú shì zhǐshàng tánbīng

Practice is not just talking about it on paper.