二便士半的

例句：

1. 1.She bought a book for half a penny.
   她花了一分钱买了一本书。
2. 2. The old lady gave me a halfpenny as a tip.
   老太太给了我一分钱作为小费。
3. 3. A halfpenny is worth less than a penny.
   一分钱的价值小于一便士。