天
机
不
可
泄
漏
t
i
ā
n
j
ī
b
ù
k
ě
x
i
è
l
ò
u
Definitions
1. lit. mysteries of heaven must not be revealed (idiom); must not be revealed
2. I am not at liberty to inform you.
Components
天机
tiān jī
–
mystery known only to heaven (archaic)
不可
bù kě
–
cannot
泄漏
xiè lòu
–
(of a liquid or gas) to leak