forever

ad.永远

forerunner, foresail, foresee, foreseeable, foreseen, foreshadow, foreshore, foreshorten, foresight, foreskin, forest, forestall, forested, forester, forestland, forestry, foretaste, foretell, forethought, foretold, forewarn, foreword, forfeit, forfeiture, forgather (also foregather), forgave, forge, forger, forgery, forget, forget about, forget-me-not, forgetful, forgetfully, forgetfulness, forging, forgivable, forgive, forgive sb. for sth., forgiveness,