不要说我刻苦这叫复古
[bù yào shuō wŏ kè kŭ zhè jiào fù gŭ]
This nickname means 'Don't say I'm hardworking, this is just being old-fashioned.' It reflects the user's preference for doing things traditionally or in an old-school manner. It suggests a sense of nostalgia and pride in sticking to past traditions.