troublesome;  bothersome;  tiresome;  annoying
 world-destroying conflagration
 kalpa (eon, aeon);  ko (in go);  position that allows for eternal capture and recapture of the same stones
 the four kalpa (formation, existence, destruction, nothingness)
 the kalpa of destruction (the third aeon of the universe)
 the kalpa of nothingness (the final aeon of the universe)
 the kalpa of existence (the second aeon of the universe)
 the kalpa of formation (the first aeon of the universe)
 to become skilled through years of experience
 long time;  long years of service