lacking the ability or skills to do something 无能力的;不胜任的;不称职的 the worst and most incompetent government in living memory 记忆中最糟糕、最不称职的政府
completely/hopelessly/unbelievably incompetent : I am completely incompetent; can you show me again?
incompetent at : The soldiers had four camels but were hopelessly incompetent at loading them.
Synonyms and related words