在第四天，他找到了第一个幸存者。

On the fourth day, he found the first survivor.

他的生日在四月的第四天。

His birthday is on the fourth day of April.

第四天，神创造了人。

On the fourth day, God created people.

第四天，我们去公园划船。

The fourth day , we boated in the park.

2月27日是地面攻击的第四天.

February 27 was the fourth day of the ground attack.

第四天镇静地去，但是在一第五天一保险丝必须更被替换。

The fourth day went calmly, but on a fifth day one more fuse had to be replaced.

一定要在第四天洗，因为那时已经很脏了。非常脏。

Definitely wash them by the fourth day, because they're just nasty by then. Nasty.

第四天，我发现猫在离我们家一个街区的人行道上摔得半死。

On the fourth day, I found him halfsmashed on the pavement a block from our house.

第四天，当我把妻抱起时，我感觉到久违了的一股亲密情感似乎又回来了。

On the fourth day, when I lifted her up, I felt a sense of intimacy returning.

到他入院治疗的第四天医生最终分离出并确认了病因：一种名为犬噬菌体的细菌。

It wasn't until the fourth day of his hospitalisation that the doctors finally isolated and identified the culprit: a bacterium called Capnocytophaga canimorsus.