[the double's aides are worried that others will find out he is an impostor
Little Takemaru was a problem, but the horse is worse. It can tell. Only the late lord could ride it.
If the double falls off, everyone will suspect.
Lord Shingen has been ill. He must refrain from riding.
There are many other problems. We must be careful to keep the late lord's intentions.
Tonight he will have to meet the late lord's mistresses. How will he be with them?
Our master has been ill. He must refrain from riding.