中文翻译与英英解释

n. (夜间在外不归的)夜游神；〔俚语〕夜间潜逃的逃债者。
2.adj. 钱款上靠不住的，骗人的，无信用的。

a debtor who flees to avoid paying

ephemeral; "the symphony is no fly-by-night venture"

(of businesses and businessmen) unscrupulous; "a shady operation"
同义词：shady,