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A emphatic affirmation, stronger than a plain 'sí'. Used to agree enthusiastically or to confirm something with conviction. The phrase as a unit carries an intensity that 'sí' alone does not.

A colorful, old-fashioned exclamation of astonishment. Refers to the tradition of swearing by something sacred or dear. In modern usage it sounds deliberately theatrical or nostalgic, often used for comic effect.

A French borrowing used in Spanish to wish someone a good journey, often with a slightly elevated or ceremonious tone. Heard in Latin American Spanish in formal or theatrical contexts.