明火执仗

yǐn cáng zài wǒ men duì wu zhōng de dí rén yào bǐ míng huǒ zhí zhàng de dí rén gèng jiā wēi xiǎn

隐藏在我们队伍中的敌人要比明火执仗的敌人更加危险。

The enemy hidden in our ranks are of course much more dangerous than those acting in broad daylight.

guò qù shuō tā men hǎo xiàng shì yī pī míng huǒ zhí zhàng de gé mìng dǎng

过去说他们好象是一批明火执仗的革命党。

Previously, they seemed to be a group of revolutionaries operating in broad daylight.