回答

・be in doubt what to do
・be undecided about what to do

「我不知道該怎麼辦」用英語可以表達為 be in doubt what to do 或 be undecided about what to do 。

I'm in doubt what to do about my future.
（我對自己的未來感到困惑。）

As for my career change, I'm still undecided about what to do, so I haven't decided yet.
（至於換工作，我現在還很迷茫，不知道該做什麼，所以還沒決定。）

有幫助｜0