| HSK 3.0 | Big5 | Gb | Pin | Eng |
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| 2 | 難題 | 难题 | nántí | problem, Gordian knot, grief, sticker, question, enigma, difficult problem, puzzler, spinosity, stickler, a hard nut to crack, puzzle, toughie, poser, difficulty, crux, nut, challenge, tickler, conundrum, knot, hump, knottiness, stinker, puzzlement, teaser, stumper, twister
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| 3 | 否認 | 否认 | fǒurèn | deny, disavow, repudiation, naysay, denial, gainsay, reject, veto, negate, disclaim, disown, challenge, dispute, renounce, disaffirm, negative, contradict, contravene, repudiate
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| 4 | 挑戰 | 挑战 | tiǎo zhàn | a challenge to battle/contest
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| 7 | 叫板 | 叫板 | jiàobǎn | to signal the musicians (in Chinese opera, by prolonging a spoken word before attacking a song), (coll.) to challenge
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| 7 | 質疑 | 质疑 | zhìyí | call in question, challenge
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