Formal:
* C'est la vie: This is the most common and literal translation, meaning "This is life" in a neutral, accepting way.
* Voilà la vie: This is a more emphatic way of saying "This is life," often used to express resignation or acceptance of something unexpected.
Informal:
* C'est comme ça: This means "It's like that," implying that life is unpredictable and full of surprises.
* La vie, quoi!: This translates to "Life, what?" and is a more casual way of saying "This is life." It can be used to express a sense of resignation or humor.
You can choose the translation that best fits the context and your desired tone.