We're coming up on their sentry ships.
4 seconds sound clip from the Star Wars: Episode IV - A New Hope (1977) movie soundboard.
You can hear this line at 01:33:36 in the Blu-ray version of the movie.
Quote context
[...]
(Millennium Falcon leaves the imperial space station)
- We're coming up on their sentry ships.
- Hold them off. Angle the deflector shields while I charge up the main guns.
(Millennium Falcon ship engine)
- There wasn't anything you could have done.
- Come on, buddy. We're not out of this yet.
[...]