火候

huǒhou
  1. heat control
  2. (fig.) mastery
  3. (fig.) crucial moment

CEDICT

Entry Composition

1 火 huǒ
  1. fire
  2. urgent
  3. ammunition
  4. fiery or flaming
  5. internal heat (Chinese medicine)
  6. hot (popular)
  7. classifier for military units (old)
  8. Kangxi radical 86
2 候 hòu
  1. to wait
  2. to inquire after
  3. to watch
  4. season
  5. climate
  6. (old) period of five days