這個(gè)query要求生成一句話，用英文表達(dá)“difficult doing something”。這句話的意思是“做某事很困難”。

Difficult doing something can sometimes be overwhelming, but perseverance often leads to success.

做某事困難是做某事有挑戰(zhàn)性不容易完成的意思。

做一件事很難。

做某事困難。