problem的近义词/同义词有哪些
problem的近义词/同义词有：puzzle, enigma, issue, conundrum, perplexity, question, mystery, mystery, issue, knot, exasperation, question, topic, text, puzzle, theme, pest, conundrum, perplexity, enigma, headache, complaint, crossing, paradox。
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problem的近义词（问题;难理解的问题）：puzzle, enigma, issue, conundrum, perplexity, question, mystery。
problem的近义词（其他释义）：mystery, issue, knot, exasperation, question, topic, text, puzzle, theme, pest, conundrum, perplexity, enigma, headache, complaint, crossing, paradox。