Marked as read but no reply. (The message was) marked as read but there's no reply. LINEの「[既読](https://eikaiwa.dmm.com/uknow/questions/91279/)」は英語版では「Read」です。 「Read」と表示されたけれど[返信](https://eikaiwa.dmm.com/uknow/questions/35189/)がない=Marked as read but no reply.