The mountain road ahead is treacherous and hard to travel.
Tips
usage
凶险 combines 凶 (fierce/inauspicious) with 险 (perilous). It is stronger than 危险 (wēixiǎn, 'dangerous') and adds a sense of menace or evil intent — used for life-threatening illnesses, treacherous terrain, or ruthless enemies, not for everyday hazards.