n.四辨士；四辨士银币

Thirty-eight pounds, eight shillings, fourpence! 三十八镑，八先令，四便士！

Fourpence was a private soldier's daily pay at that time. 当时二等兵每天的工资是四便士。

A pound of wheat at a penny is as dear as a pound of butcher's-meat at fourpence. 四便士一磅的家畜肉和一便士一磅的小麦一样昂贵。

If the price of a reel of cotton is fourpence, you hand over four pennies for it. 除上述不规则复数外，还有一些单、复数同形的名词，这主要是一些动物名称和某些国家人的名称。例如：

After some minutes he appeared to have come to a decision, and entering the shop he purchased a baby's rattle for fourpence half-penny. 几分钟后，他似乎打定了主意，走进店里花四个半便士买了一个小孩玩的拨浪鼓。