忧患: suffering; misery; hardship 短语和例子饱经忧患 have gone through a good deal
忧患余生: survive countless distresses and worries; have survived a calamity; have survived the horrors of the last war; come out alive after being subjected to untold hardships; live through the ut
忧患意识: awareness of unexpected development; being prepared for unexpected development; being prepared for any eventualitiesbeing prepared for unexpected development
