bear
The Italian word 'orso' is used to refer to the large mammal known as a bear. You can use 'orso' in the same context as 'bear' in English. For instance, 'orso bruno' translates to 'brown bear'.
I saw a bear in the forest.
This sentence is a simple past tense statement illustrating that the speaker has had a sighting of a bear in a forest.
The bear is a very big animal.
This sentence is utilized to express a general truth about the size of the bear which is considered a big animal.
One should not wake a sleeping bear.
This is an idiomatic phrase in Italian, cautioning the listeners not to provoke a situation or person that could become potentially troublesome or hazardous.