Ideographic: A curled-up 卷 person 亻; 卷 also provides the pronunciationRadical:

meaning for juàn:

  • - tiredto tire
  • - tiredto be weary of
  • - to be fed up with
  • - tediouslit. diligent and never slacking (idiom)
  • - continuous concentrated effort
  • - assiduous (in study)
  • - to concentratetired
  • - wearyworn out
  • - exhausted
  • - dispirited