doddery

1. (尤指因年老)步履蹒跚的，颤颤巍巍的
   Someone who is doddery walks in an unsteady way, especially because of old age.

1. Finally, the Obama campaign suggests that the72-year-old Mr McCain is too doddery to understand the doohickeys that modern bankers use.
   最后，奥巴马的团队还暗示说麦凯恩已经72岁了，身体状况和年龄都令他不能理解现代银行家所使用的迷人眼的手法了。

adj

1. mentally or physically infirm with age
   1. his mother was doddering and frail

   Synonym:    dodderinggagasenile