什么是 scruple?An uneasy feeling arising from conscience or principle that tends to hinder action. See Synonyms at qualm.A unit of apothecary weight equal to about 1.3 grams, or 20 grains.A minute part or amount.To hesitate as a result of conscience or principle: "A man who could make so vile a pun would not scruple to pick a pocket” ( John Dennis).