千难万难
qiān​nán​wàn​nán

extremely difficult

  1. 千 qiān numeral
    many
    many; numerous; a large number
  2. 难 難 nán adjective
    difficult
    difficult; hard to do; troublesome; not easy; problematic; the opposite of 容易 róng​yì
  3. 万 萬 wàn nounadjective
    countless
    myriad; multitudinous; a great number
  4. 难 難 nán adjective
    difficult
    difficult; hard to do; troublesome; not easy; problematic; the opposite of 容易 róng​yì