Indian summer
老人温暖的日子；金秋时节
口语·指秋日暖期
英文释义
a period of unusually warm, sunny weather in the autumn or early winter
例句
We enjoyed an Indian summer in October with temperatures in the 70s.
典故来源
源自北美早期殖民者，指秋季短暂回暖期，因当时印第安人常在此期间收割或狩猎而得名。