[{"Bold_text": "adjective", "List Items": ["not reliable or responsible, especially in business; untrustworthy:a fly-by-night operation.", "not lasting; brief; impermanent; transitory:a fly-by-night theater."]}, {"Bold_text": "noun", "List Items": ["a person or thing that is unreliable, especially a debtor who evades or attempts to evade creditors.", "a person regarded as a poor credit risk."]}]