liu gang meaning in Chinese

和刘刚
刘刚

Hello , this is liu gang . is mr . smith there
喂，我是刘刚。史密斯先生在吗？
Contribution and limitation of liu gang - ji ' s practical aesthetics theory
刘纲纪实践美学观的理论贡献及其局限
My little sister , her boy friend mr liu gang , my girl friend miss li yan and i were in front of yuntaitianpu waterfull in yuntai mountain in july , 2003
2003年7月，我的小妹、她的男朋友刘刚、我的女朋友李岩和我在云台山云台天瀑前合影。