高潮

gāocháo
  1. high tide; high water
  2. upsurge; peak of activity
  3. climax (of a story, a competition etc)
  4. to have an orgasm

CEDICT

Entry Composition

1 高 gāo
  1. high
  2. tall
  3. above average
  4. loud
  5. your (honorific)
2 潮 cháo
  1. tide
  2. damp; moist; humid
  3. fashionable; trendy
  4. (coll.) inferior; substandard