| 单词 | challenging |
| 释义 | challenging —challengingly, adv. /chal"in jing/, adj. 1. offering a challenge; testing one's ability, endurance, etc: a challenging course; a challenging game. 2. stimulating, interesting, and thought-provoking: a challenging suggestion. 3. provocative; intriguing: a challenging smile. [1300-50; ME, as ger.; 1835-45 for def. 1; see CHALLENGE, -ING2] |
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