af·ter·thought
noun/ˈɑːftəθɔːt/
/ˈæftərθɔːt/
[usually singular]- a thing that is thought of, said or added later, and is often not carefully planned
事后想法，事后添加的事物（常未经周密考虑） - They only invited Jack and Sarah as an afterthought.
他们后来才想到邀请杰克和萨拉。 - He said, ‘I won’t tell anyone,’ adding as an afterthought, ‘at least, not if you do me a favour.’
他说：“我不会告诉任何人，”事后又补充道，“至少，如果你帮我一个忙，我不会告诉任何人。”
- They only invited Jack and Sarah as an afterthought.