一开始，我还以为是一辆卖玩具的车。

To begin with, I through this car was used to sale toys.

youdao

名为“Therealhatman”的网友分享了一则小故事，“我醒来听见有敲击玻璃的声音，一开始以为是窗户，但后来我发现是从镜子那里传来的。”

Therealhatman shared a similar tale, writing: 'I woke up to hear knocking on glass. At first, I though it was the window until I heard it come from the mirror again.

youdao

So at the start, I thought most of my friends were going to be international

一开始，我以为我的大部分朋友都会是国际学生，

有趣的留学生活 - SpeakingMax英语口语达人