“Why
would he do…” 是一种带有怀疑、惊讶或不理解语气的美式口语句式，常用于表达“他为什么会这样做？”这种语感，语气可以搞笑、吐槽、甚至带点“黑人问号脸”。下面是一些常见又地道的表达，带幽默风格的解释，适合视频内容使用： Why would he do that?
意思：他怎么会那样做？
幽默解释：比如他凌晨两点发“我没事”，你：Why would he do that? 明明他有事！
Why would he do this to me?
意思：他怎么能这样对我？（带一点小戏剧）
幽默解释：我只是在他冰箱里拿了个草莓蛋糕……
Why would he do something so stupid?
意思：他怎么会做这么蠢的事？
幽默解释：比如他把洗衣粉当成泡腾片冲水喝了……
Why would he do all that work for nothing?
意思：他干嘛白干这么多活？
幽默解释：好家伙，通宵改PPT，结果老板开会临时不来了。
Why would he do it if he didn't mean it?
意思：如果他不是认真的，那干嘛还要这么做？
幽默解释：比如他说“我会一直在”，现在人影都没了。
Why would he do this when he knows it annoys me?
意思：他明知道我讨厌，他还这么做？
幽默解释：他明明知道我不吃香菜，却每次都点香菜盖饭。
Why would he do something like that to his best friend?
意思：他怎么能对他最好的朋友那样？
幽默解释：他把他兄弟游戏里的传奇装备卖了换炸鸡。
Why would he do it behind my back?
意思：他为什么背着我做这事？
幽默解释：他偷偷和我妈学会做红烧排骨，然后不告诉我。
Why would he do it on purpose?
意思：他干嘛故意这样做？
幽默解释：他偏偏在我最丑那天拍合照发朋友圈……
Why would he do something so nice for me?
意思：他为什么对我这么好？（也可用于怀疑/被感动）
幽默解释：我才夸了他一次，他居然送我奶茶加布丁加椰果加…
