一脚踢开yī jiǎo tī kāi

kick sb out; be spurned;be unceremoniously kicked out of; brush aside;fling to the winds; get rid of sth with a kick; kick away(/off); throw overboard
❍ 一旦这些叛徒失去 “反共作用”时，也就被～。(杨植霖《王若飞在狱中》92) But once the renegades fail to play a reactionary role,they are spurned by their own masters.

一脚踢开yī jiǎo tī kāi

❶ 比喻一下子就排除掉。
❷ 也指丢开不管。