攻坚克难 tackling challenges ; work hard and overcome difficulties

攻克难关 Penetrating Hard Targets ; Getting over it

攻克难点 Overcome difficulties

奥林匹克难以置信 Olympic Unbelievable

福克灾难 Fokker Scourge

克服困难 overcome difficulties ; overcome a difficult

休克难治期 irreversible phase

正如韦维克难陀 Swami Vivekananada

张克难 Ke-Nan Zhang

克难坡 kampo