Question

speak out" تفاوت "speak up ؟؟؟؟؟؟؟؟؟؟؟؟؟؟؟؟؟؟

Answer 1

speak up   بلندتر حرف زدن - آزادانه عقاید خود را بیان کردن

speak up phr v
used to ask someone to speak louder (Webster)
Could you speak up, please?
to say something, especially to express your opinion
There was a brief silence, then Gerald spoke up.
speak up for sb
to speak in support of someone (Webster)
He is willing to speak up for the rights of women.

 

speak out  (به ویژه پس از مدتی سکوت) زبان به اعتراض گشودن، (مخالف چیزی) حرف زدن

speak out phr v
to publicly speak in protest about something, especially when protesting could be dangerous
speak out about/against
Five students who had spoken out against the regime were arrested. (Webster)
 

Answer 2

I think Speak Up : used to ask someone to speak louder.

EX : Could you speak up, please

 

Speak Out : to publicly speak in protest about something, especially when protesting could be dangerous.

EX : students who had spoken out against the regime were arrested.