一刀両断

いっとうりょうだん

cutting in two with a single stroke; taking decisive action; dealing with decisively; cutting the (Gordian) knot

Meanings

Noun
cutting in two with a single strokeFour-character idiom
taking decisive action; dealing with decisively; cutting the (Gordian) knotFour-character idiom

Example sentences

もう少すこしやさしく意見いけんしてあげたらどうなの。一刀両断いっとうりょうだんのもと切きり捨すてられた彼かれの立場たちばも考かんがえてよ。

Why don't you try expressing your opinion a little more gently? Think about how he feels getting told flatly that he's being cut loose.