unknown quantity
noun[Cusually singular]
uk/ˌʌn.nəʊn ˈkwɒn.tɪ.ti/us/ˌʌn.noʊn ˈkwɑːn.t̬ə.t̬i/C2
apersonor a thing whoseabilities,powers, oreffectsare notyetknown:
未知数(尚未被人了解的人或事物)The thirdcandidatefor theseatis arelativelyunknownquantity.竞选党领导的第三个候选人的具体情况相对而言还不甚清楚。
Unknown and unfamiliar
- alien
- alienly
- alienness
- anti-foreign
- anti-foreigner
- moody
- murky/uncharted watersidiom
- not be insomeone'svocabularyidiom
- obscure
- obscurely
- obscurity
- shadowy
- strangeness
- TBD
- terra incognita
- uncharted
- uncommon
- unsung
- untried
- unused