灾祸: disaster; calamity; catastro ...大难: catastrophe; disaster天灾: natural calamities大难: catastrophe; disaster 遭此大难 suffer from such a disastrous calamity天灾: natural disaster [calamity]; act of god灾祸: disaster; calamity; catastrophe; rout 灾祸临头。 a great disaster is befalling. 灾祸连年。 calamity occurs in successive years大难题: hang-up老大难: long-standing, big and difficult (problem) 老大难单位 unit long considered a tough nut to crack; unit known for its difficult problems long regarded as insoluble; a unit with serious and long-standing problems; 老大难问题 question which has long defied solution; problems which have been described as long-standing, big and difficult; a knotty problem of long-standing黑刃:灾祸: black blade of disaster灾祸地: balefully灾难,灾祸: disaster大难不死: escape from death in a great catastrophe; be delivered from a great danger; escape death in a great calamity大难临头: a great calamity is at hand.; be faced with imminent disaster; be in deadly danger right now; calamities come down on ....; with great disaster hanging over a person来日大难: difficult days are ahead老大难单位: unit known for its difficult problems long regarded as insoluble老大难问题: a knotty problem of long standing; hard nut to crack遭此大难: suffer from such a disastrous calamity不可抗力,天灾: act of god防范天灾: the prevention of natural disaster和其他天灾: and other acts of nature天灾,不可抗力: act of god天灾,不可抗拒: act of god天灾的坚韧: fortitude of the scourge天灾的力量: power of the scourge天灾的威严: might of the scourge