the fact of being unable to change things or influence a situation synonym powerlessness无能为力的;不起作用的 a feeling of impotence in the face of an apparently insoluble problem 面对显然无法解决的问题的无力感
a condition in which a man is unable to achieve an erection and is therefore unable to have full sex 性无能的;阳痿的 male impotence 阳痿