将蔬菜煸炒至变脆。Stir-fry the vegetables until crisp.将混合物烘烤30分钟，直到顶部变脆呈金黄色。Bake the mixture for 30 minutes until the top is golden and crunchy.它变脆了,一拿就碎.It became fragile and broke easily when handled....

“使变脆”的英语可以翻译为：embrittle ...

“变脆”的英语可以翻译为：[化] embrittlement ...