Antonyms for the phrase "bring in to open" could depend on the context of the phrase. In terms of business or financial situations, antonyms for "bring in" could be "lose", "reduce", or "lower", while antonyms for "open" could be "close", "shut", or "restrict". In terms of interpersonal relationships, antonyms for "bring in" might be "dismiss", "exclude", or "reject", while antonyms for "open" could be "block", "limit", or "conceal". Overall, the antonyms for "bring in to open" will vary depending on the usage and degree of the phrase's meaning.