white hope
noun /ˌwaɪt ˈhəʊp/
/ˌwaɪt ˈhəʊp/
[singular] (informal)- a person who is expected to bring success to a team, an organization, etc.
（团队、组织等）被寄予厚望的人 - He was once the great white hope of British boxing.
他一度曾是英国拳击的希望所在。
词源1911: originally referring to a white boxer thought capable of beating Jack Johnson, the first black world heavyweight champion. - He was once the great white hope of British boxing.