Has very few body points so can be easily killed in combat.
"They could have easily killed a large number of passengers."
They are easily killed, but become more numerous with each level.
The Internet started out as a network that couldn't be killed easily.
We could get killed easily, but that's not going to knock me out of the box.
The fall would easily kill the captain and the female.
He could not be easily killed by any conventional weapon.
They are easily killed with one bullet, or even by being stepped on.
On the other hand, in Sicily one gets killed easily.
They'd fought once already; they might easily kill each other fighting over her.