Definition
to cease utilizing an item, typically a machine, due to its age and excessive use
（由于过时）停止使用（通常是机器等）
The performance of this old computer can no longer meet our needs, so we decided to pension it off.
这台旧电脑的性能已经无法满足我们的需求，所以我们决定停止使用它。
With the arrival of new equipment, the company will gradually pension off the old machines.
随着新设备的到来，公司将逐步淘汰这些旧机器。
We no longer need this outdated printer, so we are planning to pension it off.
我们不再需要这台过时的打印机，所以我们计划停止使用它。