小学生: primary school student, schoolchild, beginner...
…分之…: fractional number...
命: life, fate...
日后: sometime, someday (in the future)...
代号: code name...
虔诚: pious, devout, sincere...
市场经济: market economy...
念念不忘: to keep in mind constantly (idiom)...
相对而言: relatively speaking, comparatively speaking...
竞技: competition of skill (e.g. sports), athletics tournament...