(school slang) (being a part of) the "going-home club" (i.e. not participating in any after-school clubs)

(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.

朝飯前: A piece of cake; an extremely simple thing.

put away

right now, just now, immediately

(rare) a female bear; a she-bear.

excellent / splendid / swift

outstanding

sagacious / genius / excellence