困难: difficulty; difficult; hard; ...的: 4次方是 The fourth power of 2 i ...难的,困难的: difficult发音困难的: crackjaw呼吸困难的: dyspneal; dyspneic; dyspnic; dyspnoeic驾驶困难的: unhandy坚韧的;困难的: tough (l04)经济困难的: hard pressed困难的;艰巨的: difficult, hard困难的工作: difficult work; large order困难的任务: difficult task困难的问题: puzzle排尿困难的: dysuric人是困难的: he is hard诵读困难的: dyslexic有困难的: in queer street周转困难的: constraining binging最困难的事: the hardest thing〔美国〕困难的工作。: tough racket更困难的工作: a yet more difficult task缓慢而困难的: slow and difficult极困难的境遇: extremely adverse circumstances最困难的国家: hard core country; hard-core countries保管困难的商品: perishable commodity渡过最困难的时期: tide over the most difficult phase