N-PLURAL
四十多，四十几(指从40至49的数字)
When you talk about the forties, you are referring to numbers between 40 and 49. For example, if you are in your forties, you are aged between 40 and 49. If the temperature is in the forties, the temperature is between 40 and 49 degrees.
例句
He was a big man in his forties, smartly dressed in a suit and tie.
他是一个四十多岁的高大男子，穿西装打领带，看上去很精神。