French phrase
Sinon, je peux ~.
Meaning
Then, I can ___.
When to use it
Offers to lend or provide something helpful. It sounds friendly and casual, especially among friends.
Example dialogue
J'ai oublié mon parapluie.
I forgot my umbrella.
Sinon, je peux te prêter mon parapluie.
Then, I can lend you my umbrella.