越來越具有挑戰性

越來 yueˋ laiˊ

(Over time) Over time

越來越 yueˋ laiˊ yueˋ

(More and) More and more…

越具有挑戰性 yueˋ juˋ youˇ tiaoˉ zhanˋ xingˋ

(More challenging) More challenging

具有 juˋ youˇ

(Has, Have, Possess, Possessed) Have, Has, Possess, Possessed

挑戰 tiaoˉ zhanˋ

(Challenge, Challenged, Challenges, Challenging, To challenge) Challenge, Challenges, A challenge, The challenge, The challenges, To challenge, Challenging, Challenged

挑戰性 tiaoˉ zhanˋ xingˋ

(Challenging) Challenging