Formal:
* Nous voilà: This is the most formal and literal translation, meaning "here we are." It can be used in any situation, but it's often used in a more formal setting.
* Nous voici: Similar to "nous voilà," but it emphasizes being present in a specific place.
Informal:
* Nous y voilà: This is more casual and translates to "here we are," emphasizing arrival at a specific location.
* T'as vu? On y est! (informal, spoken) This translates to "You see? We're here!" and conveys a sense of accomplishment or arrival.
* Voilà! (informal, spoken) This simply means "there you go!" or "here it is!" and can be used in a variety of situations, including to express arrival.
The best way to choose the right phrase depends on the specific context and the level of formality you want to achieve.