山高水险 shān gāo shuǐ xiǎn

DEFINITIONS

  1. lit. the mountains are high and the torrents swift
  2. to undertake an arduous task or journey (idiom)

CHARACTERS

山 shān mountain, hill, peak
高 gāo high, tall; lofty, elevated
水 shuǐ water, liquid, lotion, juice
险 xiǎn narrow pass, strategic point