whistle in the dark

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

虛張聲勢, 故作鎮靜

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.
他只是在虛張聲勢,試圖說服自己一切都會好起來的。
Despite his brave words, I could tell he was just whistling in the dark about the company's future.
儘管他勇敢地說著,但我知道他只是在虛張聲勢,對公司的未來感到不安。