To translate "很晚回来" into Engpsh, you could say "come back late" or "return late". It's important to note that the precise translation will depend on the context in which the phrase is being used. For example, you might use different phrasing if you were speaking to someone in a casual conversation compared to if you were writing a formal letter. Additionally, the precise wording of the translation may vary depending on the individual's preference and style.