in case of sth 万一,假如,在......的情况下
for fear of doing sth 唯恐 ,以免
in case(注意没有that)和 for fear that 还有lest, 这三个词引导状语从句时要用虚拟语气, 形式一般为should do sth 。 意思相同,表示“以防, 以免”可以互换。
He took his raincoat with him in case(lest/for fear that) it should rain.
主要是搭配不同。
in case of +名词 in case +句子
老师说的很对