How do you say hello sweet girl in Russian?

There isn't a direct translation for "hello sweet girl" in Russian that captures the same level of endearment. Here are some options depending on the context and your relationship with the girl:

Formal/Polite:

* Здравствуйте, милая девушка! (Zdravstvuyte, milaya devushka!) - "Hello, sweet girl!" This is the most polite option and suitable for someone you don't know well.

Informal/Friendly:

* Привет, милая! (Privet, milaya!) - "Hi, sweetheart!" - This is a more informal way to say hello to a friend or someone you know well.

* Здравствуй, милая! (Zdravstvuy, milaya!) - "Hello, dear!" - Another informal option, a bit more formal than "Привет".

More Romantic/Affectionate:

* Привет, любимая! (Privet, lyubimaya!) - "Hi, darling!" - This is very affectionate and suitable for a girlfriend or someone you are romantically interested in.

* Привет, моя дорогая! (Privet, moya dorogaya!) - "Hi, my dear!" - Similar to "любимая" but slightly less intense.

Important:

* Remember that using terms of endearment like "милая" (milaya), "любимая" (lyubimaya), or "дорогая" (dorogaya) can be perceived as overly familiar or even inappropriate if used with someone you don't know well. Always consider your relationship with the person before using such terms.

* The choice of "Здравствуйте" (Zdravstvuyte) or "Здравствуй" (Zdravstvuy) depends on formality. "Здравствуйте" is more formal, while "Здравствуй" is more informal.

I hope this helps! Let me know if you have any other questions.