think twice think twice {v.} To think again carefully; reconsider; hesitate. The teacher advised Lou to think twice before deciding to quit school. Compare: THINK BETTER OF. Categories: add yours {v.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 » In RussianTo section: T Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Leave my opinion