four o'clock
`` Now , look here . If ye get us ` ut of thus , we 'll gev ye a pun ' note , and as much dhrink as ye can bear . '' Here there was a cheer . `` The tide goes down at four o'clock , '' said Jem , `` and thin for eight minits there is a dhry passage across the rocks . Thin ye must run for yere lives , and we 'll be here to help ye . But how the divil did ye get there ? We never saw but a goat there afore . ''