living will
noun/ˌlɪvɪŋ ˈwɪl/
/ˌlɪvɪŋ ˈwɪl/
- a document stating your wishes about medical treatment in the case that you become so ill that you can no longer make decisions about it, in particular asking doctors to stop treating you and let you die
（尤指要求在病弱以致无法做决定时不再医治的）生前预嘱