Dreye權威釋義|petard

n.

同義參見:

以上來源於：《英漢大辭典》

/pɪˈtɑːd/

n.

historical a small bomb made of a metal or wooden box filled with powder.

▸a kind of firework that explodes with a sharp report.

hoist with (or by) one's own petard
having one's schemes against others backfiring on one.

C16: from Fr. pétard, from péter ‘break wind’.

以上來源於：《簡明牛津英語詞典》