(don`t) stop fighting and surrender, (don`t) stop trying or hoping to do something Please don`t give up the ship and quit this company. I am sure you still have a useful role to play.
(DON`T) GIVE UP THE SHIP
Meaning of (DON`T) GIVE UP THE SHIP in English
English idioms vocab. Словарь английских идиом и выражений. 2012