- 挑战性 tiǎozhànxìng challenging naturethe quality or state of being challenging, often used as a noun to describe a task or role that requires significant effort, skill, or overcoming obstacles.
- 挑战者 tiǎozhànzhě challenger
- 挑战者号 Tiǎozhànzhě Hào ChallengerSpace Shuttle Challenger
- 迎接挑战 yíngjiētiǎozhàn meet a challengeto meet a challenge