Is There A Mandarin Speaker In The House?

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book
Kevin Whitty writes:

“Spotted this in a book in the library….the detail is ridic.”

UPDATE: Fair play in fairness to Biggkm in comments, who sez:

Traditional Mandarin speaker here. Fairly sure it means hostile environment. Although if you type in out in pinyin and put it through google translate it comes up as “Hostile Hairy eyes”. terrifying