A Storybook Whisper: The bird must not lose the book
Picture a fairy-tale scene: the bird must not lose the book. Travelers, this is the simple line you can say: "새는 책을 잃어버리면 안 돼요.".
Examples
새는 책을 잃어버리면 안 돼요. — saeneun chaekeul ilheobeorimyeon an dwaeyo. — The bird must not lose the book.
지금 새는 책을 잃어버리면 안 돼요. — jigeum saeneun chaekeul ilheobeorimyeon an dwaeyo. — Right now, the bird must not lose the book
정말 새는 책을 잃어버리면 안 돼요. — jeongmal saeneun chaekeul ilheobeorimyeon an dwaeyo. — Really, the bird must not lose the book