跌跌撞撞懵懵懂懂
[diē diē zhuàng zhuàng mĕng mĕng dŏng dŏng]
This translates as 'Stumbling and bumbling'. It evokes a sense of youthful exploration, trial, and error - the process of moving forward despite obstacles with little foreknowledge or skill. Someone might choose such a nickname if they feel they are progressing clumsily but earnestly on their life journey, learning from mistakes along the way.