afterthought
n. 事后的想法，马后炮；后来添加的东西
复数 afterthoughts
例句
They only invited Jack and Sarah as an afterthought.
他们邀请杰克和萨拉不过是事后想起的补救办法。
《牛津词典》
Almost as an afterthought he added that he missed her.
几乎是后来想起来，他补了句他想她了。
《柯林斯英汉双解大词典》
Freedom was an afterthought.
自由就是一个事后聪明。
