It's easy to hide an open gun, but hard to defend a hidden one
It's a Chinese idiom that it's easy to hide an open gun but hard to defend a hidden arrow.
explain
Idiom: it's easy to hide a gun, but hard to defend a hidden arrow
Pinyin: m í nqi à NGH à ODU à, à NJI à NN á NF á ng
Explanation: it means that an open attack is easy to deal with, and a covert set-up is difficult to guard against. It's also known as "it's easy to hide an open gun, but hard to defend a hidden arrow.".
Discrimination of words
It's easy to hide a gun in the open, but hard to defend it in the back
It's easy to hide an open gun, but hard to defend a hidden one
beat drums and clang gongs -- in + battle - jī gǔ míng jīn