weak-kneed

剑桥词典

informal disapproving
not brave or determined enough to defend your beliefs against others
软弱的，不勇敢的；不坚定的
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。

made to feel weak and likely to fall by emotion
（强烈的情感作用下）感到软弱无力的，膝盖发软的
She stood dazed and weak-kneed beside the coffin . 她站在棺材旁边，头晕目眩，膝盖发软。 返回 weak-kneed