Red tape - Official or bureaucratic tasks 自家或正式得任務To be yellow - To be cowardly 感到害怕或懦弱To see red - To be very angry 感到非常生氣Black out - Faint 暈倒Black and blue - Describe something that is badly bruised 描述嚴重擦傷得東西Golden opportunity - The perfect chance 可靠些機會Have the blues - Be sad or depressed 感到悲傷或抑郁Black sheep - A person who is a disgrace to a family or group 使家庭或團體蒙羞得人Black and blue - To be bruised either because of a beating or otherwise.因為毆打或其他原因而被撞傷。Catch someone red-handed - To get caught doing something wrong,illegal or unlawful.做錯事被發現做錯事，違法或非法。 Green with envy - To feel extremely jealous. 嫉妒得發青，感到非常嫉妒。Off color - A term used for someone looking weak or unwell. 用來指看起來虛弱或不舒服得人。once in a blue moon - To refer to something that occurs very rarely. 指很少發生得事情。See red - To be extremely angry about something 對某事非常生氣To show your true colors - Reveal the kind of person they really are. 揭示他們真正是什么樣得人。