അർത്ഥം : (of businesses and businessmen) untrustworthy or undependable.
ഉദാഹരണം :
A fly-by-night operation.
അർത്ഥം : Ephemeral.
ഉദാഹരണം :
The symphony is no fly-by-night venture.
Fly-by-night meaning in Bengali (Bangla).