hoist by one's own petard in Swedish
hoist by one's own petard in Swedish
fångas i sin egen fälla
(idiomatic) Hurt or destroyed by one's own plot or device intended for another; "blown up by one's own bomb".
smaka på sin egen medicin
(idiomatic) Hurt or destroyed by one's own plot or device intended for another; "blown up by one's own bomb".