醉衣何处?

The phrase "何处何事" (nánchù hé shì) means "what is it?" or "what's the matter?". It is often used to ask a question or express surprise.

In the sentence, "何处何事", the phrase is used to ask the question, "何处遇到困难?" (nánchù méngyǐng dùxìng?), which means "what difficulties did you encounter?".