災難
さいなん · sainan · JLPT N2 · noun
calamity
🌋 災 (disaster) + 難 (hardship) = 災難: calamity, misfortune
Both characters point to trouble: 災 means disaster and 難 means difficulty, so stacking them gives a sweeping calamity. Say it as 'sigh-nan', the sigh you make after bad luck.