incapable
adjective uk/ɪnˈkeɪ.pə.bəl/ us/ɪnˈkeɪ.pə.bəl/
C1 不能的,不胜任的
unable to do something
He seems incapable of walking past a music shop without going in and buying another CD. 他似乎做不到经过音像店却不进去再买张光盘。
I think she's incapable of love. 我觉得她不懂得如何爱别人。
Opposite: capable of something/doing something