释义：
How could you say... ?你怎么能够说……呢？
因为对方不可理喻的话而发火的时候使用的表现形式。How can (could) you say 的后面既可以加名词，也可以加主语+动词的形式。
例句：
How can you say that it doesn't matter?
你怎么能说那不重要呢？
How can you say something like that? I'm so hurt.
你怎么能说那样的话呢？我非常受伤。
How could you say such a thing?
你怎么能够说出那样的话呢？
How could you say yes to that?
你怎么能够同意呢？
对话：
A: I have to break up with you.
我要跟你分手。
B: How can you say that?
你怎么能说出这样的话呢？