unfulfilled
adjective uk/ˌʌn.fʊlˈfɪld/ us/ˌʌn.fʊlˈfɪld/
（愿望、希望、诺言等）未实现的，未满足的，未兑现的
If a wish, hope, promise, etc. is unfulfilled, it has not happened or been achieved.
an unfulfilled ambition/dream 未实现的抱负／梦想
壮志未酬的，不得志的
unhappy because you think you should be achieving more in your life