lost generation
noun
1- the generation reaching maturity during and just after the First World War, a high proportion of whose men were killed during those years战死的一代（指第一次世界大战期间或战后长大成长的一代, 其中有大量男性青年阵亡）。
1.1
- an unfulfilled generation coming to maturity during a period of instability迷惘的一代（指动荡时期长大成人、未能施展才华的一代）。
词源
phrase applied by Gertrude Stein to disillusioned young American writers, such as Ernest Hemingway, Scott Fitzgerald, and Ezra Pound, who went to live in Paris in the 1920s.