surreptitious
The Chinese idiom, Pinyin is sh é NGU ǐ B ù C è, which means that gods and ghosts can't speculate. It's also called "gods and ghosts are unpredictable". From Yiyin Gengshen.
The origin of Idioms
The third part of Yiyin Gengshen written by Zheng Guangzu of the Yuan Dynasty: "the wise men show the unexpected opportunities, develop the teachers of a journey, and assist the young master to achieve great things."
Idiom usage
As a predicate or attribute; used of things, etc. Example: the first fold of Yuan Wumingshi's shooting liuchuiwan: "if we talk about the book of war in my belly, we have the chance to catch mice and cats."
Chinese PinYin : shén guǐ bù cè
surreptitious
as timid as a rat which peeps out its head and dares to do nothing. shǔ shǒu fèn shì
splits off as it meets the edge of knife without effort. yíng rèn lì jiě
feed a tiger to one 's own detriment. yǎng hǔ yí huàn