"petard" in Chinese (Simplified)
爆破筒（古代爆炸装置）
Definition
爆破筒是一种用来炸开门或墙的古代小型爆炸装置。这个词也常用于“hoist with one's own petard”这个短语，意为“自食其果”。
Usage Notes (Chinese (Simplified))
这个词很少使用，大多出现在历史描述或成语“hoist with one's own petard”中。不要与现代的烟花爆竹混淆。
Examples
In medieval times, soldiers used a petard to break through castle gates.
在中世纪，士兵们用**爆破筒**炸开城门。
A petard is an ancient explosive device.
**爆破筒**是一种古老的爆炸装置。
The wall was destroyed by a petard.
墙被**爆破筒**炸毁了。
He was hoist with his own petard after his plan backfired.
他的计划失败了，结果自食其果，被自己的**爆破筒**炸伤。
The phrase 'hoist with his own petard' means being hurt by your own plan.
短语“hoist with his own **petard**”意思是因自己的计划受害。
You rarely hear the word petard outside of old books or English class.
除了老书或英语课，你几乎听不到**爆破筒**这个词。