Once I was red clay.

我曾经是一捧红色黏土。

youdao

Once I was red and looked ugly.

曾经我是红色的，样子很难看。

youdao

Once I was asked to read a text.

有一次，我被要求读一篇文章。

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

I met a lot of people there and I never once got the idea that anyone there was evil or grasping.

在那我见了很多人,但是我没有察觉到,任何恶毒或者贪婪的气息。

耶鲁公开课 - 金融市场课程节选

When I started merging, I did merging three times across this whole board, this level, this level, and this level, and each time because of the way I was advancing my fingers I touched each number just once.

在整个过程中，我一共做了,三次合并，这一层，这一层，和这一层，而且每次,由于要前移手指，因此对每个数字,仅仅移动了一次。

哈佛公开课 - 计算机科学课程节选

Once I was there for six weeks it was clear that he was in trouble.

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Once I was done pinching, pulling and zooming, I simply sat the phone back down.

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Once I was appearing on a television show that Jonathan was appearing on, too.

CNN: Gottfried: Jonathan Winters was mad brilliant