[zhi1 ji3] /to know oneself/to be intimate or close/intimate friend/
  [zhi1 ji3] /vertraut, gute Freunde (u.E.) (Adj)/
  [zhi1 ji3] /ami intime/confident/alter ego/
 [ちき] /(n) acquaintance/appreciative friend/(P)/EntL1420570X/
Visszatérés a(z) „知己” laphoz.