🇬🇧 en fr 🇫🇷

hoist by one's own petard adjective

  /hˈɔ͡ɪst bˈa͡ɪ wˈɒnz ˈə͡ʊn pɛˈtɑːd/ , /hˈɔ͡ɪst bˈa͡ɪ wˈʌnz ˈo͡ʊn pɛˈɾɑː͡ɹd/
  • (idiomatic) Hurt or destroyed by one's own plot or device intended for another; "blown up by one's own bomb".
 l'arroseur arrosé, tel est pris qui croyait prendre
Wiktionary Links