Good News Translation
You could have made animals like these that would not have to attack those people to kill them, but could scare them to death just by looking at them.

New Revised Standard Version
not only could the harm they did destroy people, but the mere sight of them could kill by fright.

Contemporary English Version
killing people not only by the injuries they cause but by their very appearance.

New American Bible
Or newly created, wrathful, unknown beasts breathing forth fiery breath, Or pouring out roaring smoke, or flashing terrible sparks from their eyes.

Douay-Rheims Bible
Or unknown beasts of a new kind, full of rage; either breathing out a fiery vapour, or sending forth a stinking smoke, or shooting horrible sparks out of their eyes:

Or unknown beasts of a new kind, full of rage; either breathing out a fiery vapour, or sending forth a stinking smoke, or shooting horrible sparks out of their eyes:

Wisdom 11:17
That they might know that by what things a man sinneth, by the same also he is tormented.

Wisdom 11:18
For thy almighty hand, which made the world of matter without form, was not unable to send upon them a multitude of bears, or fierce lions,

Wisdom 11:20
Whereof not only the hurt might be able to destroy them, but also the very sight might kill them through fear.

Wisdom 11:21
Yea, and without these, they might have been slain with one blast, persecuted by their own deeds, and scattered by the breath of thy power: but thou hast ordered all things in measure, and number, and weight.