What is look at that in cajun french.?

There's no direct, literal translation of "look at that" in Cajun French. However, depending on the context and the tone you want to convey, here are some options:

Informal:

* Regarde ça! (pronounced "ruh-GAHRD sah") - This is the most common and informal way to say "look at that" in Cajun French.

* Viens voir ça! (pronounced "vee-AN vwar sah") - This translates literally to "come see that" and is used when you want someone to come and look at something with you.

Formal:

* Regardez ça! (pronounced "ruh-GAHR-day sah") - This is the formal equivalent of "regarde ça".

* Voyez ça! (pronounced "vwa-YAY sah") - This is another formal way to say "look at that", and it's often used to express surprise or amazement.

To emphasize surprise or admiration:

* Oh, la la! Regarde ça! (pronounced "oh lah lah ruh-GAHRD sah") - This adds a touch of excitement and amazement to the phrase.

* C'est pas vrai! Regarde ça! (pronounced "say pah vray ruh-GAHRD sah") - This literally means "it's not true! look at that!", and it's used to express disbelief and wonder.

Remember that Cajun French is a very expressive language, so you can adjust the tone and phrasing to fit the situation.