Cách sử dụng
The expression "be six feet under" means to be dead and buried in a grave six feet deep in the ground. It is used to describe someone who has died and to emphasize that they are no longer living. For example, "If you don't take care of your health, you could be six feet under before you know it." This expression is mostly used in informal settings and should be used with sensitivity and respect for those who have passed away.