ADJ-GRADED
无能力的;不称职的;不合格的
If you describe someone as incompetent, you are criticizing them because they are unable to do their job or a task properly.
例句
The court declared him incompetent to manage his financial affairs...
法庭宣布他不具备管理自己财务的能力。
I was incompetent at playing the piano...
我钢琴弹得不好。