Starfleet fears that unwanted visitors like the Borg or the Dominion might be attempting to bore deep into Federation territory.
There, nuclear waste will be stored at a maximum depth of 520 meters in shafts bored deep into the granite bedrock.
Some, though surely not all of it, was his own blood, for both of his hands bore deep, oozing scratches.
His fiery eyes bored deep into the woman.
Nevyn turned to Gwin, caught his glance when the man tried to look away, and switched to the dweomer sight that could bore deep into a soul.
In three places it bore deep, even gouges about four feet long and a half a foot deep.
Female beetles bore deep into trees to lay eggs.
The cold voice hung with a hiss in the silence of the little room as the yellow eyes bore deep into the Valeman's.
This beam caused relatively little secondary damage; its energies were tuned specifically to stay contained within its circumference and to bore deep into the Eneshan ground.
But that you bore so deep a rancor for so long, against a race who ruled you well enough by any lights ..." 'They ruled us."