long shot

US /ˈlɔŋ ˌʃɑt/
UK /ˈlɔŋ ˌʃɑt/
"long shot" picture
1.

tentativa arriscada, chance remota

an attempt or guess that has only a small chance of success but is worth trying

:
It's a long shot, but we might as well try.
É uma tentativa arriscada, mas podemos tentar.
Winning the lottery is a complete long shot.
Ganhar na loteria é uma tentativa arriscada completa.