Forties
01
사십 대, 40대
the period of time in someone's life between the ages of 40 and 49
예시들
By the time he reached his forties, he had already traveled to over 30 countries.
그가 40대에 도달했을 때, 그는 이미 30개국 이상을 여행했다.
02
40년대, 1940년대
the decade from 1940 to 1949
