(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

outside / foreign / other / except

other (things); the rest

(the) outside / toilet

outside; external / except for

(Buddhism) non-Buddhist teachings or texts / (in compounds) external

water