pound
In German, the word 'Pfund' is used to denote a unit of weight equivalent to 0.5 kilograms. This term is also used to refer to the British currency, the pound sterling, in a similar way to its usage in English.
He has gained a pound
This phrase refers to an increase in weight. 'Pfund' is being used in this sentence to express weight gain.
That costs ten pounds
This phrase is used to show the cost of an item. In this context, 'Pfund' is used to represent the British currency.
I still need two pounds of tomatoes
This phrase is typical when talking about weight measure in the context of grocery shopping. Here, 'Pfund' denotes a unit of weight.