She was doddering and frail.她年迈虚弱。
a doddering old man making his will before he's too senile在年老昏聩之前立下遗嘱的年迈长者
英汉双解词典包含368430条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。