出处：按学科分类—语言、文字 中国对外翻译出版公司《汉英成语词典》第46页（212字）
形容身体虚弱，连风吹都抵受不住，例她病后更加纤瘦了，扶杖学步，弱不禁风。
After her illness she became extremely frail and weak-so much so，she has had to learn to walk again with the help of a stick．