"Is it really?" can be translated into Engpsh as "Is it true?" or "Is it factual?"

The phrase "Is it really?" is a common Engpsh expression used to express skepticism or doubt about a statement or claim that has been made. It is used to ask for confirmation or verification of the truth of a matter.

Example in Engpsh:
A: "I heard that the concert is sold out."
B: "Is it really?"

Example in Chinese:
A: "我听说音乐会已经售罄了。"
B: "真的吗？"

In conclusion, "Is it really?" is a simple and straightforward expression that is widely used in Engpsh-speaking contexts to inquire about the veracity of a statement.