The founder, now in his dotage, still visits the office every Monday morning.

創辦人如今已年老昏聵，卻仍每週一早上到辦公室巡視。

Critics claimed the chairman's risky investments were signs of dotage, not bold strategy.

批評者認為董事長的高風險投資是老糊塗的表現，而非大膽策略。

Our oldest customer, well into her dotage, calls the help desk just to chat.

我們最年長的顧客已步入老年昏聵，常打電話到客服中心只為聊天。