• enemy ⪢⪢
Pay attention to your enemies for they are the first to discover your mistakes. #quote
http://qindex.info/i.php?x=20088

◎◎◎ nemesis ⪢⪢
On the one hand, nemesis can be your enemy. So somebody is your sworn enemy, they are your nemesis.
http://qindex.info/i.php?x=15999

◎◎◎ foe ⪢⪢
￫ enemy, opponent
http://qindex.info/i.php?x=12104

○○○ take measures ⪢⪢
Tired of the constant danger that the cat presented, one of the mice decided to summon a general counsel so that all the mice could debate what measures they could take to outwit their common enemy the cat.
http://qindex.info/i.php?x=15996

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