I was dislodging the limescale on the bathroom taps using kitchen roll soaked in vinegar (my mother's tip) when I heard Will's chair behind me.

当我听到 Will 的椅子在我身后时，我正在使用浸泡在醋中的厨房卷纸（我母亲的小费）去除浴室水龙头上的水垢。