Once I thought love meant flowers, gifts and sweet kisses.

我曾经以为爱情意味着鲜花、礼物和甜蜜的亲吻。

youdao

Each of us will have fear, Once I thought I will not overcome this fear, but later I found that I was wrong.

我们每个人内心都会有恐惧，曾经我一直以为自己不会战胜这个恐惧，但后来我发现自己错了。

youdao

Once I was watching something about cooking on TV and I thought I could do this, so I went to the bookstore and looked for the biggest cookbook I could find.

有一次我在电视上看有关烹饪的节目，我想我可以做这个，所以就去书店找自己所能找到的内容最多的烹饪书。

youdao

"I thought that sooner or later one thing was sure to happen: The first real test once he was through school would ruin him.

VOA: special.2009.01.03

That didn't happen to me -- once I got into the lab, I didn't want to leave. So, I thought, "You know what, I think I'll change the medical school plans and now I'm going to go all the way -- chemistry major, chemistry grad school."

这很好，但我不是这样，我一进入到实验室就不想离开了，所以我想“你知道吗,我想把我学习医学的计划改成化学-,我要学化学专业，读化学研究生“

麻省理工公开课 - 化学原理课程节选

But it's a tempting philosophical thought to say, "Once I've shown it's better never to have been born, " it follows that suicide is the appropriate response."

但这是一个引诱人的哲学想法，“一旦我明白了最好还是不要出生，就会出自杀是合适行动的结论“

耶鲁公开课 - 死亡课程节选

For example, once I thought he was pointing a gun at me, but it turned out to be a remarkably good fake.

NEWYORKER: The Region of Unlikeness

So I just want to say once again that I thought the discussion that we had was excellent.

WHITEHOUSE: President Obama Meets with Israeli Prime Minister Netanyahu | The White House

Once or twice I thought you were looking at me strangely.

NEWYORKER: History of a Disturbance