Nine in the third place means

A halted retreat

Is nerve-wracking and dangerous.

To retain people as men- and maidservants

Brings good fortune.

When it is time to retreat it is both unpleasant and dangerous to be held back, because then one no longer has freedom of action. In such a case the only expedient is to take into one's service, so to speak, those who refuse to let one go, so that one may at least keep one's initiative and not fall helplessly under their domination. But even with this expedient the situation is far from satisfactory–for what can one hope to accomplish with such servants?