我一直以为我长大了，懂事了。可是，事实证明我很不成熟！

I always thought that I grew older and wiser. But, the fact proved that I was not mature!

youdao

我一直以为我是一位创造性强，容易相处，慷慨大方，溺爱着自己三岁儿子的父亲。

I used to see myself as this creative, nice, selfless, awesome dad who dotes on his three year old son.

youdao

到4点55分，我才从这个事实中回过神来：什么都没有了，那些我一直以为我拥有的，都消失了。

By five minutes to five, I had moved past the fact that everything I thought I had on paper was gone.

youdao

You were smart and adorable and all this time I assumed you were dumb and adorable.

你很聪明，而且很可爱,这么久了我竟然一直以为你可爱但只是不会说话呢“

哈佛公开课 - 计算机科学课程节选

I thought university was going to be a lot easier than it is.

我一直以为大学的学习会比较容易。

I think 实战 - SpeakingMax英语口语达人

I used to think penguins could fly.

我曾经一直以为企鹅会飞。

I used to实战 - SpeakingMax英语口语达人