be on the brink of doing sth
1brink — [brıŋk] n [Date: 1200 1300; : Old Norse; Origin: brekka slope ] 1.) the brink (of sth) a situation when you are almost in a new situation, usually a bad one on the brink of death/disaster/war etc ▪ In October 1962 the world seemed on the brink of …
