How do you say dang it in Russian?

There isn't a perfect one-to-one translation for "dang it" in Russian, as it's a fairly informal and expressive phrase. Here are a few options depending on the context and desired level of intensity:

Mild:

* Черт! (Chert!) - This is the most common and direct translation, literally meaning "devil!" It's a mild exclamation of frustration or annoyance.

* Блин! (Blin!) - Similar to "Darn it!", this is a less harsh and more playful option.

Moderate:

* Чёрт возьми! (Chёrt voz'mi!) - Literally "Take the devil!", this is a stronger exclamation of annoyance or anger.

* Ну и черт с ним! (Nu i chert s nim!) - Meaning "To hell with it!", this expresses resignation or indifference.

Strong:

* Чёрт побери! (Chёrt poberi!) - Literally "Damn it!", this is the strongest and most direct translation.

Other options:

* Какого черта! (Kakogo cherta!) - This is a more emphatic way of saying "What the hell!"

* Твою мать! (Tvoyu mat!) - This is a very strong and vulgar expression, similar to "Damn it!" or "Shit!"

Remember, the best choice depends on the context and your desired level of formality. Be mindful of the situation and your audience when using these expressions.