That he or the other bigwig Russians who have taken refuge in London would jeopardise their asylum for the sake of such risky Machiavellianism seems improbable.

• 他或其他曾在伦敦寻求庇护的俄罗斯大佬可能会因为如此不择手段的冒险行为危及自己的庇护权，这似乎不大可能发生。