Here are some of the ways "nu" can be used:
* "Well?" This is the most common translation, used to prompt a response or indicate impatience.
* "So?" Similar to "well?" but can also express a sense of surprise or disbelief.
* "Now?" Used to emphasize a moment in time or a transition.
* "Then?" Asking for the next step or continuation of a story.
* "Come on!" Expressing encouragement or urging someone to do something.
* "You see?" Pointing out an obvious conclusion.
"Nu" is often used in a friendly, informal way. It's like an interjection that adds a certain rhythm and flavor to the conversation. It can also be used to add emphasis or express emotion.
In short, "nu" is a versatile and expressive word in Yiddish that has no direct English equivalent.