每日英语 dig one’s own grave 自取灭亡，自掘坟墓

dig one’s own grave 自取灭亡，自掘坟墓

-do something that has or will have negative consequences that are easily able to be foreseen.

If you don't turn in your project, you're digging your own grave. There's no way you'll get a decent grade without it!

I'm afraid I'm digging my own grave by turning down the promotion.

If she continues to behave like this towards her senior officer, she’ll be digging her own grave.