exercise, work out

(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

sleep deficiency

excess or deficiency

Synonym of 栄養失調

(number theory) deficient number, a number for which the sum of proper divisors is less than that number

everything