nonstarter

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++non·start·er /ˌnɒnˈstɑːtə $ ˌnɑːnˈstɑːrtər/ noun [countable usually singular]  informalFAIL an idea, a plan, or a person that has no chance of success 无成功机会的想法[计划，人] In its present form the scheme is a non-starter. 这一方案照其现有模式是行不通的。

Examples from the Corpus

nonstarter• The issue of his failure to sell off stock portfolios is also a nonstarter.• Trying to find her way back out was obviously a nonstarter but staying here she would probably be spotted fairly quickly.• At the time, this was a nonstarter in Pyongyang.

non·start·er nounChineseSyllable  

or Corpus has a that plan, an idea, a person

nonstarter
non‧start‧er /ˌnɒnˈstɑːtə $ ˌnɑːnˈstɑːrtər/ noun [countable usually singular]
informal an idea, a plan, or a person that has no chance of success:
    In its present form the scheme is a non-starter.