明枪好躲，暗箭难防
míng qiāng hǎo duǒ，àn jiàn nán fáng
基本释义
  1. 指公开攻击容易对付，暗地陷害劫难于防备。亦作“明枪易躲，暗箭难防”。
英文翻译
  1. lit. easy to dodge the spear in the open, hard to avoid a stab in the dark (idiom)
  2. it is hard to guard against secret conspiracies