当有一天你看到我们老了，弱了或疲倦了…。

On the day when you see us old, weak and weary...

youdao

夏去秋来，当有一天清晨查理没有在他通常的站点等候。

The summer went by, and autumn was closing in, when one morning Charlie wasn't waiting at his usual stop.

youdao

当有一天她有了孩子后，我想，如果可以，我会到那边去，看看她和孩子。

One day when she had children, I think, If I can, I will go there to see her and the child.

youdao

So according to Exodus, this Passover ritual was established on Israel's last night of slavery while the angel of death passed over the dwellings that were marked with blood.

根据《出埃及记》记载，犹太人的逾越节,诞生在犹太人最后一天做奴隶,当死亡天使越过每一户门口有血记号的房子的时候。

耶鲁公开课 - 旧约导论课程节选

And even more scary than that, a friend of mine is married, and his wife was walking to church one morning.

更可怕的是，我的一个已经结了婚的朋友，有一天早上当他老婆正往教堂走时，

在上西区 - SpeakingMax英语口语达人

When I first started teaching this course and had six students, I remember one day sitting in Leverett House, having lunch by myself and one of the students comes in and says, "can I join you?" "Sure." we have lunch.

当我开始教授这门课时,有六名学生，我记得有一天坐在学生宿舍里，独自用餐，一名学生走进来说，“能一起吃吗？““当然“，我们共进午餐。

哈佛公开课 - 幸福课课程节选