pig
The German word for pig is 'Schwein'. It is a noun and is used to refer to the animal commonly known for its round body, short legs, and snout. The word 'Schwein' is also used in various compound words and expressions, such as 'Schweinefleisch' (pork) and 'Schweinerei' (mess, muddle).
You were lucky.
This phrase is a common German idiom. 'Schwein haben' literally means 'to have pig', but is used to express good fortune or luck in Germany.
The pig eats everything.
This sentence uses 'Schwein' in a literal sense. It can be used when talking about animals, specifically pigs, and their eating habits.
He is a saving pig.
This phrase uses 'Schwein' metaphorically. 'Spar-Schwein' is often used to refer to someone who saves a lot, similar to how 'piggy bank' is used in English.