GRE重點詞匯解析：impetuous

　　1) moving with great force; done with little thought

　　2) characterized by undue haste and lack of thought or deliberation

　　3) passionately impulsive

　　Synonyms: impassionate, spontaneous, unexpected

　　impetuous <> tolerant, patient, circumspect, deliberate

　　impetuous : patience

　　impetuous : hesitance

　　impetuous : hesitate

　　impetuous : hesitant

　　impetuous : hesitation

　　impetuous : vacillation

　　impetuosity <> hesitance/vacillation 沖動<>猶豫/躊躇