homework

indicates that something undesirable was done or happened

sister city

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

To do something completely (unintentionally); cannot help doing

used in response to a failure or mistake: dang, shoot, darn it

to forget / (auxiliary verb, after the continuative form of a verb) to forget to …

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

(telephony) a common Japanese telephone greeting: hello; used when answering the telephone / used to confirm that the person being addressed is listening, or to confirm if anyone is listening

(idiomatic) A piece of cake; an extremely simple thing, something trivial, a cinch, easy as pie.