His whole life on the brink of destruction if it were recognized what he was doing.
A city on the brink of total anarchy is being held hostage by the increased threat of organized gang violence.
I'd had a problem myself all along, not seeing Edith as being on the brink of suicide.
That Dr Cornay was on the brink of making a discovery of considerable merit will by and by appear; but, with every disposition to regard his investigations favourably, it cannot be said that he accomplished it.
It seems as though there were always a number of young men hovering on the brink of such suicidal despair.