fifties

中文： 五十年代、50年代

1. The sixth decade of a century: the 1850s, 1950s, 2050s, etc. · I will probably be dead by the fifties.· In the past few years, fifties diners have sprung up all over town.
2. The decade of one's life from age 50 through age 59. · You don't really start living until you're in your fifties!
3. The range between 50 and 59 Fahrenheit. · It can't snow tonight; it's forecast to be in the fifties!