“被惯坏的”常见的英文表达有 spoiled 或 pampered 。
spoiled：侧重于指因过度宠爱、纵容而变得任性、不懂事 ，例如：The spoiled child always throws tantrums when he doesn't get what he wants.（这个被惯坏的孩子一得不到想要的东西就会发脾气。）
pampered：更强调受到精心的、过度的照顾和呵护，通常带有享受这种优待而可能产生一些娇纵意味，例如：She was pampered by her parents since childhood and has become quite demanding.（她从小被父母娇惯，现在变得十分挑剔。）