You're way too young to do that, but think about a blended Scotch.

你们喝这个还太早了,请你们想象一杯混合威士忌

耶鲁公开课 - 聆听音乐课程节选

You could use a sign language thing for "Drink" that looks sort of like the act of drinking but you can't use a sign language word for "Country" that looks like a country, or for "Idea" that looks like an idea.

你可以用看起来像喝这个动作的手语,来表示"喝",但你无法用看起来像国家的手语,来表示"国家",或用看起来像想法的手语来表示"想法"

耶鲁公开课 - 心理学导论课程节选