He would need all his authority to keep the weak-kneed volunteers from bolting.他需要动用所有的职权防止那些胆小的志愿兵逃跑。She stood dazed and weak-kneed beside the coffin.她站在棺材旁边，头晕目眩，膝盖发软。Instead of defending traditional values, the church frequently seems weak-kneed and irresolute.教会不但没有去维护传统的价值观，反而常常表现得软弱且犹豫不决。