incompetent evidence法律上无效的证据
incompetent lawyer一位不胜任的律师
incompetent party不符合条件的当事人
Or Incompetent或不称职
incompetent beds弱岩层
Incompetent individuals能力不强的人
incompetent formation胶结程度很差的地层
Unconsciously Incompetent无意识;无能力地;没有意识到无法胜任
Mentally incompetent精神障碍;精神上无能力;无能力
Last, the author inspects themain causes of the failure of the foreign policy: one is the invasion natureof the imperialism and another is the corrupt and incompetent of QingGovernment and another is the diplomatic policy of compromise andhumiliation.
首先，提及每一事件的起因、经过、结果和影响；其次，从这些外交事件的前后发展中总结出清政府“丧权辱国”的外交政策；最后，深入考察晚清政府施行这一外交政策失败的主要原因：一是帝国主义的侵略本性；二是晚清政府的腐败无能；三是晚清政府妥协而屈辱的外交政策。
参考来源 - 试论《孽海花》中的外交事件ADJ（形容词） If you describe someone as incompetent, you are criticizing them because they are unable to do their job or a task properly. 无能的; 不称职的[表不满]
He wants the power to fire incompetent employees.
他希望有权解雇不称职的雇员。
N-COUNT（可数名词） An incompetent is someone who is incompetent. 无能的人; 不称职者
The president turned furiously on his staff. "I'm surrounded by incompetents!"
董事长愤怒地指责其职员，“我身边全是些没用的人！”