Possible Clues:

• By the sound of it, don't go for this sort of stagnation, Sister
• Sci-fi preservation technique
• State of immobility or inactivity
• Don't go and start 34 across, by the sound of it in such a stagnating way
• Flow stoppage
• Stoppage of flow as of blood
• Assist with stagnant condition
• Sounds like the way to ask your little sister not to go and stagnate
• Don't go away, Sister, if you're in such a bloody state
• Arrest by secret police?