How do you say darn it in French?

There isn't a direct translation for "darn it" in French that perfectly captures the same meaning and feeling. It's more about the context and the intensity of the frustration. Here are some options depending on the situation:

Mild frustration:

* Zut alors! - This is a common exclamation of mild annoyance. It's like saying "Oh darn!" or "Shoot!"

* Bon sang! - This literally means "good blood" but is used as an exclamation of surprise or frustration. It's a bit stronger than "Zut alors!"

* Mince alors! - This is similar to "Zut alors!" and is another common way to express mild annoyance.

Stronger frustration:

* Nom d'un chien! - This literally means "dog's name" but is used as a strong exclamation of frustration. It's like saying "Darn it!" or "Blast it!"

* Sacré bleu! - This is a more dramatic exclamation meaning "Holy blue!" and is similar to "Good heavens!" or "Oh my god!"

Informal and more casual:

* Pfff... - This is a simple, non-verbal expression of annoyance.

* Fichtre! - This is a slightly more informal way of saying "Darn it!"

It's important to choose the appropriate expression based on the context and the intensity of your frustration.

Remember that some of these expressions can be considered quite informal and might not be appropriate in all situations.