(as) sure as the sun comes up

(as) sure as the sun comes up

Certainly; inevitably and unavoidably. They just aren't right for each other and they'll break up eventually, sure as the sun comes up. The two brothers will be forever at each other's throats, as sure as the sun comes up. As sure as the sun comes up, Evelyn got the promotion. She is the boss's favorite, after all.

See also: come, sun, sure, up

Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.