un·am·bi·tious
adjective/ˌʌnæmˈbɪʃəs/
/ˌʌnæmˈbɪʃəs/
- (of a person) not interested in becoming successful, rich, powerful, etc.
无抱负的；无名利心的 - not involving a lot of effort, time, money, etc. or anything new
不费功夫（或时间、金钱等）的；不铺张的 - an unambitious plan
平实的计划
opposite ambitious - an unambitious plan