一个给了糖就会笑的孩子
[yī gè jĭ le táng jiù huì xiào de hái zi]
'A child who will smile when given candy'. It refers to being simple and easy-to-please. This nickname suggests the owner may cherish innocence, or it could also imply a lack of demands on materialistic gains as well as a pure-hearted approach to life, willing to be happy with small favors and happiness.