問もん答どう無む益えき

Meanings

1

no use arguing; not up for discussion

yojijukugo (four-character idiom)rare term

A rare yojijukugo meaning that further debate or discussion is pointless. Often used to cut off argument. Compare the more common 問答無用.

See also: 問答無用

彼かれは「問もん答どう無む益えき」と言いって、議ぎ論ろんを打うち切きった。
He said 'there's no point in arguing' and cut off the discussion.