comet, jinx, bearer of bad luck
rainstorm
snow storm
~不 幸meet with misfortune || 悲惨的~ tragic experience
easy circumstances
adverse (or unfavorable) circumstances
natural and man-made calamities
chaos of war
sandstorm
suffering, misery
setback, reverse
be defeated, lose (a war)
difficulty
rare flower, wonderful work
obstruction
bottleneck
defend against injustice
run into, come across
die in an accident
be in danger
be murdered
encounter, suffer
meet with, encounter
encounter
run into
meet, come across
catch up with, encounter
not occur even in a hundred years, once in a blue moon
very rare, occurring only once in a thousand years
strenuous, laborious