Meaning of guǐ:
鬼
disembodied spirit; ghost; devil; one of the 28 constellations of ancient Chinese astronomy
Zuótiān wǎnshàng, wǒ zài shùlín lǐ kàn dào yīgè guǐ.
昨天晚上,我在树林里看到一个鬼。
Last night, I saw a ghost in the forest.
Zài gǔdài Zhōngguó, měi gè xīngzuò dōu yǒu tèdìng de yìyì, bǐrú shuō, guǐ xīngzuò.
在古代中国,每个星座都有特定的意义,比如说,鬼星座。
In ancient China, each constellation had a specific meaning, such as the Gui constellation.
(suffix) person with a certain vice or addiction etc
Tā shì yīgè diànyǐng mí, yě jiùshì diànyǐng guǐ.
他是一个电影迷,也就是电影鬼。
He is a movie buff, also known as a movie junkie.
sly; crafty; resourceful (variant of 詭|诡[gui3])
Tā zhēn shì gè jīlíng de guǐ.
他真是个机灵的鬼。
He is really a sly person.