既読をつけずに見ることができるって英語でなんて言うの？

- "You can see a message without it showing as having been read." "you can see a message" 「メッセージを見ることができる」 "without it showing as ~" 「〜をつけずに」 "having been read" 「既読」 "without it showing as having been read" 「既読をつけずに」"without it showing as read" も言えます。