(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.

(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

put away

between meals / while eating

Kyūjitai form of 小児科: pediatrics

study (room) / publishing firm

opening, premiere (first performance)

to premiere (perform for the first time)

shot (from a firearm) / shot (in sports) / shot (by a camera) / shot (of alcohol)