It is an idiom and it means that there is nothing that the person can do about the situation because of some outside force ( like a rule or law).
Answer:
This quote is part of the last line of Richard Connell's short story "The Most Dangerous Game." The rest of the sentence reveals that it is Rainsford who is enjoying the bed. This means Rainsford finally defeated and killed General Zaroff. ... The other will sleep in this very excellent bed.
Explanation:
The last line leaves the reader to infer that Rainsford has killed Zaroff, contrasting Zaroff's chilling death with Rainsford's rewarding night's sleep
