بی برو برگرد کاری انجام شدن

Question

با این سرعت که میره بی برو برگرد جاش تو دره است

Answer 1

Hi,

This is my idea:

Without (a) doubt/indubitably, his next stop is in the bottom the valley with such speed.

Comments

+1 well put

Answer 2

Hi

Of course our dear friend (Alimack)'s sentence is on the mark, anyway this is also possible

beyond the shadow of a doubt=بی برو برگرد

http://idioms.thefreedictionary.com/beyond+a+shadow+of+a+doubt

 

Answer 3

hook, line and sinker