make heavy weather of sth

UK disapproving

to find something hard to do and spend a lot of time on it, although it is not difficult

发现某事很难做，并花很多时间在那上面，虽然实际上那件事并不难;对…小题大做;对某事考虑过多，发现某事棘手/麻烦

She's making such heavy weather of that report she's writing.

她对自己正在撰写的那份报告很是小题大做。