ill-suited

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++ˌill-ˈsuited adjective  not useful for a particular purpose 不适合的，不相宜的，派不上用场的ill-suited to a country ill-suited to wheat farming 不适合种植小麦的国家

Examples from the Corpus

ill-suited• But some applications require data tracking in environments ill-suited for on-line solutions.• Also, the marshy ground near rivers, where most towns are sited, is ill-suited for tunnel construction.• Nevertheless, ill-suited land-use and poor management can lead to environmental degradation with implications for present and future national economies.• A gait ill-suited to some one of his size and girth.• And the bird's standard evasive tactic is ill-suited to the airport.• It seemed a touch ill-suited to the Town Hall on Tuesday night but at least the music shone through.ill-suited to• an environment ill-suited to learning

ˌill-ˈsuited adjectiveChineseSyllable  

useful for particular a not Corpus purpose

ill-suited
ˌill-ˈsuited adjective
not useful for a particular purpose
    ill-suited to
    a country ill-suited to wheat farming