to hesitate to say; to mumble; to hem and haw; to falter
hibernation; staying indoors during winter
secluding oneself in the mountains; undertaking ascetic practices at a mountain temple; retreat; off-site meeting
the dead of night; praying all night in a shrine or temple
to shut oneself in (one's house, room, etc.); to confine oneself (to); to barricade oneself (in a building); to entrench oneself; to hole up
nesting; hibernation; shutting oneself in at home; staying at home
crane's nest tesuji; crane's nest