fifty

1. 五十
   50
2. 五十几；五十年代
   numbers, years or temperatures from 50 to 59
   1. She was born in the fifties.
      她是五十年代出生的。

1. (数字) 50
   Fifty is the number 50.
2. N-PLURAL 五十几(指 50 到 59 之间的数字)
   When you talk about the fifties, you are referring to numbers between 50 and 59. For example, if you are in your fifties, you are aged between 50 and 59. If the temperature is in the fifties, the temperature is between 50 and 59 degrees.
   1. I probably look as if I'm in my fifties rather than my seventies.
      我大概看上去像 50 多岁而不是 70 多岁。
3. N-PLURAL 二十世纪五十年代
   The fifties is the decade between 1950 and 1959.
   1. He began performing in the early fifties.
      他20世纪50年代初开始从事表演。

1. Forty or fifty women were sitting cross-legged on the ground
   四五十个女人盘腿坐在地上。

n.

in your fifties

• 50多岁
  between the ages of 50 and 59
  1. He retired in his fifties.
     他在五十多岁时退休了。

noun

1. a United States bill worth 50 dollars

   Synonym:    fifty dollar bill

2. the cardinal number that is the product of ten and five

   Synonym:    50L

adj

1. being ten more than forty

   Synonym:    50l