vague

a.模糊的，不明确的；说话含糊不清的

vaccine, vaccum cleaner, vacillate, vacillation, vacuity, vacuous, vacuously, vacuousness, vacuum, vacuum cleaner, vacuum pump, vacuum tube (US) (Brit radio valve), vacuum-packed, vade-mecum, vagabond, vagary, vagina, vaginal, vagrancy, vagrant, vaguely, vagueness, vain, vainglorious, vainglory, vainly, vainness, valance, vale, valediction, valedictorian, valedictory, valence, valency, valentine, Valentine's Day, valerian, valet, valetudinarian, valian,