who would have thought it?

used to say that you are very surprised something has happened

谁会想得到呢?

So, Alex is going out with Hannah. Who would have thought it?

那么，亚历克斯在与汉娜约会。谁会想得到呢?

She told me she dated a guy named Leonard. Who would have thought it was you?

她说和个叫莱纳德的人交往过 谁会想到那就是你?