Definition
To do something that is very likely to cause serious harm or ruin to one's own position or future.
自尋死路
He signed his own death warrant by leaking the company's secrets.
他洩露公司的秘密，無異於自取滅亡。
If you don't pay your taxes on time, you are signing your own death warrant.
如果你不按時繳稅，你就是在自取滅亡。
She signed her own death warrant by publicly criticizing her boss.
她公開批評她的老闆，無異於自取滅亡。