N-COUNT [usually singular] 丑小鸭（尤指现在丑笨、但将来可能会变得美丽漂亮、事业有成的小孩） If you say that someone, especially a child, is an ugly duckling, you mean that they are unattractive or awkward now, but will probably develop into an attractive and successful person. 丑小鸭（尤指现在丑笨、但将来可能会变得美丽漂亮、事业有成的小孩）