No. " Being dead is presented as a consequence of taking one more step, not an alternative.
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CliveHi,Thanks, Clive.
Then say it this way.
If you don't take one more step, you're a dead man.
One more step or you're a dead man.
Clive
CliveHi,Thanks, Clive.
It makes sense, but it seems like a less common thing to say.
It would be more common to tell people 'Stop' rather than 'Take one more step'.
Clive