http://learningenglish.voanews5aitmne6gs2btokcacixclgfl43cv27sirgbauyyjylwpdtqd.onion/a/watch-my-dust-/7107779.html
For example, if my old car dies on a long road trip, I can say my car bit the dust . In the past ten years, many technologies have bitten the dust . Sometimes, this expression means death in battle. But used this way, bite the dust is very informal and not respectful.