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Phrase(s): They must have seen you coming.
You were really cheated. They saw you coming and decided they could cheat you easily. • Andy: It cost two hundred dollars. Rachel: You paid two hundred dollars for that thing? Boy, they must have seen you coming. • Bob: Do you think I paid too much for this car? It’s not as good as I thought it was. Tom: It’s almost a wreck. They must have seen you coming.
McGrawhill's American Idioms And Phrasal Verbs