Definition
This phrase is used to express the futility of action in a difficult or unchangeable situation.
（用於表示對某情況無能為力時）你又能如何呢？
They've already made their decision, so what are you going to do?
他們已經做出決定了，所以你能怎麼辦呢？
Now that the situation has already happened, what are you going to do?
既然情況已經發生了，你能怎麼辦呢？
I tried to help, but he refused, so what are you going to do?
我試著幫忙，但他拒絕了，所以你能怎麼辦呢？