挑战性 /tʰiɑʊ̯˧˥ t͡ɕiɛn˥˩ ɕiŋ˥/ AdjectiveEnglishchallenging日本語やりがいのあるExample这次的攀登确实是**极具挑战性的**,但山顶的景色令人心醉。It was a challenging hike, but the view was worth it.强调过程的艰辛与最终回报的价值。