我把3个儿子都生下来之后，严重内出血。

I haemorrhaged badly after the birth of all three of my sons.

《柯林斯英汉双解大词典》

儿子遇难之后，他们悲痛欲绝。

They suffered terribly when their son was killed.

《牛津词典》

之后，约翰付了帐，他们正准备离开，这时老太太的儿子来了。

After that, John paid the bill and they were ready to leave when the old woman's son arrived.

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