導讀sheep的復數形式是：sheep。sheep的意思是“羊，綿羊”，是可數名詞，單復數同形。sheep用于比喻可表示人“膽小”。詞匯搭配：sheepandgoats，善人與惡人，好人與壞人。aflockofsheep，一群羊。sheepskin綿羊毛皮。常用短語：awolfinsheep'sclothing，披著羊皮的狼。sbwhoappearstobeharmlessbutisinfactdangerous。blacksheep，害群之馬，敗類，不肖之子。sbwhodoesnotconformtothefamily'swishes。countsheep，心里計數以求入睡。keepcountingtooneselfinanattempttofallasleep。