Adjust

You know that being hit over the head with an adjustable piano-stool [凳] can give you a nasty[令人讨厌的] headache.
你们知道被一个高度可调的钢琴凳打中脑袋会产生让你讨厌的头疼。
注：一个歌手唱得太糟糕了，弹钢琴的听不下去了，用钢琴凳敲歌手的头，歌手这么说。他的幽默在于他表现得很超脱的样子。

A lot of people going into retirement find that the biggest challenge is adjusting to just sitting around doing nothing. With him this won’t be a problem. With our company alone, he’s had over thirty years of practice.
很多人退休后发现最大的挑战是能调整自己坐下来什么也不做。对他来讲，这不什么问题，单在我们公司他就已经练习了30多年。
注：在员工退休欢送会上调侃退休人员。