Tián Jì sài mǎ
Tian Ji races his horses (and accepts one loss in order to ensure two wins) (idiom)
tiān jī
mystery known only to heaven (archaic)
inscrutable twist of fate
fig. top secret
tián jī
frog
the Chinese edible frog (Hoplobatrachus rugulosus)
tiān jī
gamma Ursae Majoris in the Big Dipper