whistle in the dark

US /ˈhwɪs.əl ɪn ðə dɑːrk/
UK /ˈhwɪs.əl ɪn ðə dɑːrk/
"whistle in the dark" picture
1.

fischiettare nel buio, farsi coraggio

to try to make yourself feel more confident or less afraid by pretending to be brave or cheerful

:
He was just whistling in the dark, trying to convince himself that everything would be fine.
Stava solo fischiettando nel buio, cercando di convincersi che tutto sarebbe andato bene.
Despite his brave words, I could tell he was just whistling in the dark about the company's future.
Nonostante le sue parole coraggiose, potevo dire che stava solo fischiettando nel buio riguardo al futuro dell'azienda.