You can't imagine she has a 20-year-old daughter. She's such a yummy mummy!

你根本想象不到她有个20岁的女儿！她真的是个辣妈！

A yummy mummy would have several children and yet remain a "girl-about-town", dressing fashionably and appearing well-groomed and carefree.

一位辣妈可能有好几个孩子，却还能保持着“城内名媛”的地位，衣着时尚，精心修饰，一副忧烦不扰的样子。