大难

great catastrophe

see 大夫[dai4 fu5]

big; large; great / older (than another person) / eldest (as in 大姐[da4 jie3]) / greatly; freely; fully / (dialect) father / (dialect) uncle (father's brother)

difficult (to...) / problem / difficulty / difficult / not good

disaster / distress / to scold

to be facing imminent calamity (idiom) / disaster is looming

to just escape from calamity

one is bound for good fortune after surviving a great disaster (proverb)