浄書: to clean up the draft / 上書: to memorialize the emperor; to submit a document to one's higher authorities

丞相: prime minister (in ancient China)

(idiomatic) to lash out, vent one's anger on people who had nothing to do with the source of one's anger

(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

check valve

regicide

torment of oneself