He apologized as soon as he realized what he had done. In actual fact he wrote a nice little note to me.

他一意识到他所做的一切就道歉了。确切地说，他给我写了一张友善的小便条。

《柯林斯英汉双解大词典》

For many months he was in constant pain, but somehow it healed, and after many years he fully realized what he had done.

好几个月他都处于持续的痛苦中，但是不管怎样还是痊愈了，在很多年之后，他才完全意识到自己做了什么。

youdao

For many months he was in constant pain, but somehow it healed, and after many years he fully realized what he had done.

好几个月他都处于持续的痛苦中，但是不管怎样还是痊愈了，在很多年之后，他才完全意识到自己做了什么。

youdao