(Brit. informal, derogatory)a middle-aged or old woman dressed in a style suitable for a much younger woman(英,非正式, 贬)年轻打扮的老妇(或中年妇女)
柯林斯高阶英汉双解学习词典释义
N-UNCOUNT
羊肉
Mutton is meat from an adult sheep that is eaten as food.
例句
...a leg of mutton.羊腿...mutton stew.炖羊肉
PHRASE
装嫩的女人
If you describe a woman as mutton dressed as lamb, you are criticizing her for trying to look younger than she really is, in a way that you consider unattractive.