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.
例句
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。