dotard

n.老糊涂,年老昏愦之人

an old person, especially one who is weak or senile.

名词

1. The dotard struggled to remember his own name.

这位衰弱的老人努力回忆起自己的名字。

2. The family hired a nurse to take care of the dotard.

这个家庭雇佣了一个护士来照顾这位衰弱的老人。