They indulge in double-dealing. They feign compliance while acting in opposition. They appear to be men but are demons at heart. They speak human language to your face, but talk devil's language behind your back. They are wolves in sheep's clothing and man-eating tigers with smiling faces.
Enemies holding a false red banner are ten times more vicious than enemies holding a white banner.
Wolves in sheep's clothing are ten times more sinister than ordinary wolves. Tigers with smiling faces arc ten times more ferocious than tigers with their fangs bared and their claws sticking out. Sugar-coated bullets are ten times more destructive than real bullets. A fortress is most vulnerable when attacked from within. Enemies who have wormed their way into our ranks are far more dangerous than enemies operating in the open.