How to say"you never know!" in Spanish (Día 94)

The video tutorial explains the phrase 'you never know', commonly used in English to express uncertainty. It discusses how this phrase is not directly translated into Spanish but instead uses impersonal statements like 'uno nunca sabe' or 'nunca se sabe'. The tutorial provides examples and concludes with a summary of the lesson.

Why is 'nunca sabes' not a direct translation for 'you never know'?

What does the phrase 'uno nunca sabe' literally translate to in English?