grey area
noun /ˌɡreɪ ˈeəriə/
/ˌɡreɪ ˈeriə/
(US English usually gray area)
- an area of a subject or situation that is not clear or does not fit into a particular group and is therefore difficult to define or deal with
灰色地带，中间区域（界线不明、不易归类、难以界定或处理的领域或形势） - Exactly what can be called an offensive weapon is still a grey area.
究竟什么可称作攻击性武器仍然难以界定。 - The new rules for police procedure cleared up a lot of grey areas.
新的警察程序规则清除了许多灰色地带。
- Exactly what can be called an offensive weapon is still a grey area.