浮式瑞在远远地用眼睛看着他们这个难办的交涉,暗地里在开心.Fauchery, afar off, amused himself by following this delicate negotiation.这是我经手的最难办的案件之一.This is one of the most puzzling cases I have ever run up against.以为亚细胞组分很纯而实际不纯的情况,一直是植物化学家感到难办的问题.Th...

“难办的”的英语可以翻译为：impracticable ...