every year

excessive tiredness caused by summer heat (not as extreme as heat exhaustion)

to become extremely tired due to summer heat

every year

every year

every year

indicates that something undesirable was done or happened

to close / to finish, do something completely / to put away, to put an end to / is, or was (with conjugation), done completely / happens, or happened, unexpectedly / is done with difficulty

traditional folk song of Amami / (more broadly) traditional folk song of Okinawa

To do something completely (unintentionally); cannot help doing