1. I was hoisted by my own petard, the one petard I thought would never hoist me.

万万没想到 我这回真是害人害己

2. I had a petard, and I've been hoisted by it.

我自缚爆竹 要自食其果了

3. It seems the school has been hoisted on its own petard.

看来学校是搬起石头砸了自己的脚啊

4. Your government, on fire, hoisted by its own petard.

你的政府将被自己制造的炮火炸毁

5. You the one who championed this program shouldn't have worn that petard if you didn't wanna be hoisted by it.

这个项目是你推举的 如果不想被自己的「袍」绞死 一开始就不该穿

以上参考资料就是本英汉词典详细汇总的单词petard的翻译英语含义，如有错漏请向我们提供反馈意见。