口頭禪

Mouth; opening; entrance; gate; classifier for people, animals, or mouthfuls; sharp edge of a weapon or tool; place of rupture or crack.

The top part of the body; hair; a leader or boss; the beginning or end of something; a suffix for nouns, verbs, adjectives, or location words.

Meditation or Zen Buddhism; to abdicate a throne; to offer sacrifices to heaven and earth.