fly-by-night

• 形容人或公司不可靠、不诚实，可能突然消失，尤指收取钱财后逃之夭夭。

Describes a person or business that is unreliable, dishonest, or likely to disappear without notice, especially after taking money.

1. Unscrupulous or dishonestC1informal

   Describes a business or person that is unreliable, dishonest, or likely to disappear without fulfilling obligations.

   不可靠或不诚信

   • They lost their savings to a fly-by-night investment scheme.
   • Be careful of fly-by-night contractors who demand payment upfront.
   • The company turned out to be a fly-by-night operation that vanished overnight.

   同义词crookeddishonestdisreputabledubiousfraudulentshadyslipperyunreliableunscrupulousuntrustworthy

   反义词dependablehonestreliabletrustworthy

2. Short-lived or temporaryC1informal

   Lasting for only a brief period; not permanent or enduring.

   短暂的

   • His fame was fly-by-night, forgotten within a year.
   • The trend was a fly-by-night fashion that quickly faded.
   • They had a fly-by-night romance that ended abruptly.

   同义词briefephemeralevanescentfleetingmomentarypassingshort-livedtemporarytransienttransitory

   反义词enduringlastingpermanentstable

• 指逃避债务、欠债潜逃的人；也泛指不可靠、不可信任的人或企业，常用来形容那些一夜之间出现又消失、行事不负责的商家。

A noun referring to a debtor who flees to avoid paying their debts.

1. Fleeing debtorC1informal

   A person who leaves a place secretly to avoid paying debts or fulfilling obligations.

   逃债者

   • The landlord discovered his tenant was a fly-by-night who skipped town without paying rent.
   • Creditors were left empty-handed after the fly-by-night disappeared with their money.
   • The company turned out to be a fly-by-night, leaving many unpaid bills behind.

   同义词absconderdeadbeatdefaulter