一刀両断

Meaning

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

Example sentences

• もう少しやさしく意見してあげたらどうなの。一刀両断のもと切り捨てられた彼の立場も考えてよ。

  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.