Could you lend me 50 pence/50p?

你能借我50便士吗？

Prices range from 50 pence to 70 pence.

价钱在50便士到70便士之间.

E. g. I tipped the porter 50 pence.

我给了搬运工50便士小费。

The cost is a pound plus 50 pence for postage.

价钱是一英镑，另加五十便士邮费。

He could not find his 50 pence piece anywhere.

但他摸了半天也没找到那50便士硬币。

After we had haggled for some time, we decided to the bargain, and Jones bought the cloth for50 pence per yard.

我们在价格上争论了半天，终于决议，琼斯以每码50便士买下了这批布。

That 50-pence piece, already greenish, was part of a small boy’s precious ice-cream money, whose loss he wept over with hot tears while his mother scolded him.

那块50便士的碎片，已经变成绿色的了，曾经是一个小男孩珍贵的冰淇淋钱，钱丢失了，他在母亲的责骂中哭泣着流下热泪。