相关单词同义词indefinite, unsure, 近义词 doubtful 可疑的, debatable 有疑问的，有争议的..., conjectural 推测的, equivocal 模棱两可的, ambiguous 模棱两可的, complicated 复杂难懂的, problematical 成问题的, knotty 有结的, tricky 棘手的, challenging 挑战性的, sticky 粘的, awkward 尴尬的, difficult 困难的, baffling 令人困惑的, elusive 难懂的, tough 强硬的临近词problems, problem, problematics, problematical, problematicity, problematically, problematic bank, problematic fossi, Problematic drugs, problematic fossil, problematic domain, problematic history相似词probiotic, probity, problem, problem page, proboscis, probs, procedure, proceed, 返回 problematic