(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

first, initial / one-eyed

a screen test

set of problems

problem; point at issue

text that makes up a question/problem

matter of life or death / (idiomatic) an extremely urgent matter