同学你好，该知识点来自沪江网校《英语零基础直达大学六级【7月班】》的课程，想要更系统的学习，欢迎进入课程学习。不仅可以和更多的同学一起学习，而且还有老师、助教随时的学习指导和知识点解答哦。

同学你好~
dread to do 不敢做某事
I dread to think what would happen if there really was a fire here.
我不敢想象假如这儿真的发生火灾会是什么情景。

electricity bill 电费单

what引导宾语从句，作think的宾语。

Lilian dreads to think what her electricity bill is going to be. 莉莲不敢去想她的电费账单会是多少。

祝同学学习进步~