Ah, but that may not be true.

　　不過嘛，那可能不是真的。

　　It was true love between them.

　　他們是真心相愛。

　　The prince's wish came true.

　　王子的愿望實現了。

　　That may or may not be true.

　　這可能是真的，也可能不是。

　　Is it true (that) she's leaving?

　　她要走是真的嗎？