* Regret: Like "alas," "woe is me," or "oh dear."
* Surprise: Similar to "oh my!" or "goodness gracious."
* Pity: Like "poor thing," "what a shame," or "that's too bad."
The exact nuance depends on the context. Here are some examples:
* Auwe, I lost my keys! (Expressing regret and a bit of exasperation)
* Aue, what a beautiful sunset! (Expressing surprise and admiration)
* Auwe, the poor little bird fell out of its nest. (Expressing pity)
While there's no perfect single word translation, you can usually find an appropriate way to express the same feeling in English by considering the context and choosing words like "alas," "oh dear," "what a shame," or "goodness gracious."