| 天 |
tiān jī | mystery known only to heaven (archaic) / inscrutable twist of fate / fig. top secret |
| 天 |
tiān | day / sky / heaven |
| 机 |
Jī | surname Ji |
| 机 |
jī | (bound form) machine; mechanism / (bound form) aircraft / (bound form) an opportunity / (bound form) crucial point; pivot / (bound form) quick-witted; flexible / (bound form) organic |