to be worlds apart

to be worlds apart
to be poles apart or to be worlds apart 截然相反；有天壤之别
See: apart

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to be worlds apart
18. to be worlds apart<美> 大相径庭；截然不同
- The novel is worlds apart from his academic writings. 这部小说和他的学术著作截然不同。
19. to bring sb into the world
(deliver a baby) (助产师、医生等)接生(孩子)
(give birth to a baby) 生(孩子)
See: world