English version

a double-edged sword/weapon

From Longman Dictionary of Contemporary Englisha double-edged sword/weapona double-edged sword/weaponsomething that seems to be good, but that can have a bad effect Being famous is often a double-edged sword. double-edged
Examples from the Corpus
a double-edged sword/weaponBut the potential financial boost is a double-edged sword.It's been said before that being well-known is a double-edged sword.This, however, rapidly proved a double-edged weapon.Throughout our history, judicial review has been a double-edged sword.The competition rules must be regarded as a double-edged sword by businesses.That can be a double-edged sword, commercially and artistically.
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