incapableadj.无能力的；不胜任的incapable of solution.不被接受的解决方法。Incapable of movement.不能动的，无行动能力的incapable of driving cars不会开车incapable of doing the work无法做这项工作Incapable of causing harm.不会造成伤害的Incapable of being atoned for不能补偿的Incapable of being educated.不堪造就的难以启发的incapable of physical exertion体力上不能劳累的Incapable fly to the heaven.所以无法飞向天堂。incapable of sustained thought不会持续地进行思索

1. These enzymes are incapable of breaking down or digesting wool,hair or silk fibres which are to them indigestible protein.
   这些酵素压倒或消化羊毛，头发或对他们的丝纤维是无能力的不消化的蛋白质的。