我不明白为什么你昨天下午没去听讲座。

I don't understand why you didn't go to the lecture yesterday afternoon.

youdao

我不明白为什么应该期望天花板产生那种效果。

I do not know why the ceiling should be expected to have that effect.

youdao

我不明白为什么和你一起种胡萝卜对我这么重要。

I don't understand why planting carrots with you is so important to me.

youdao

.. I just don't--people don't like-- ... people would rather hate-- I don't know why it's something-- it wouldn't be a good movie theme, would it?

我不。。。人们不喜欢-,人们宁愿厌恶-,我不明白为什么-,那不是好的电影主题吗？

耶鲁公开课 - 金融市场课程节选

I don't understand why you'd want to take a pill to fix something that we know little about.

我不明白为什么你会愿意吃药片来治好一些我们甚至都不清楚的毛病。

对付压力的方法 - SpeakingMax英语口语达人

And I didn't understand why.

而且我不明白为什么。

哈佛公开课 - 幸福课课程节选