05686955-n
(13)
|
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a factor causing trouble in achieving a positive result or tending to produce a negative result |
06785367-n
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| 难题 |
| sticker, poser, stumper, toughie |
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a particularly difficult or baffling question or problem |
06785541-n
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| 僵局, 极其复杂的问题, 极其 复杂 的 问题, 难题 |
| Gordian knot |
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any very difficult problem; insoluble in its own terms |
05687338-n
(38)
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| 困难, 问题, 难题 |
| trouble, problem |
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a source of difficulty |
06785223-n
(1)
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| 谜, 谜语, 复杂 难题, 复杂难题, 难题 |
| riddle, enigma, conundrum, brain-teaser |
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a difficult problem |
06784639-n
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| 智力 游戏, 谜, 智力游戏, 迷惑, 猜谜游戏, 猜谜 游戏, 难题 |
| puzzle, teaser, puzzler, mystifier |
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a particularly baffling problem that is said to have a correct solution |
03448031-n
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| 哥帝尔斯难结, 戈耳狄 俄 斯 之 结, 戈尔迪乌姆结, 戈尔 迪乌姆结, 戈耳狄俄斯之结, 戈尔迪之结, 难题, 戈尔 迪之结 |
| Gordian knot |
| |
an intricate knot tied by Gordius, the king of Phrygia, and cut by the sword of Alexander the Great after he heard that whoever undid it would become ruler of Asia |