xǐ zé qì huǎn
joy depresses one's qi vital breath
an excess of joy may lead to sluggishness of vital energy (TCM)
Huáng Shí gōng Sān Lüè
”Three Strategies of Huang Shigong”, also known as Taigong Bing Fa 太公兵法[Tài gōng Bīng Fǎ], one of the Seven Military Classics of ancient China 武經七書|武经七书[Wǔ jīng Qī Shū], variously attributed to Jiang Ziya 薑子牙|姜子牙[Jiāng Zǐ yá], Huang Shigong 黃石公|黄石公[Huáng Shí gōng] or an anonymous author
qī àn
dismal
somber
also written 淒暗|凄暗[qi1 an4]