难办的

例句：

1. 1. The task was difficult for him to complete.
   这项任务对他来说很难完成。
2. 2.She found the problem difficult to solve.
   她发现这个问题很难解决。
3. 3. He had a difficult time convincing everyone to join the team.
   他很难说服每个人加入团队。