王水: aqua regia

one's presence as felt by others

(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

toilet in a Zen monastery

agriculture and fisheries

Ministry Agriculture, Forestry and Fisheries; MAFF

Urausu (a town in Kabato district, Sorachi, Hokkaido prefecture, Japan)