He needed to make a complete break with the past.

他得与过去彻底告别。

《牛津词典》

The talk is of a complete break with the past.

大家都在讨论与过去彻底决裂。

youdao

It was supposed to be a complete break from my real-life career.

这应该是与我现实的职业生涯完全决裂。

youdao

His speech cooled the debate that threatened a complete break between the North and South.

VOA: special.2009.04.02

And archaeology supports this picture of merging of peoples, a picture of the merging of peoples, rather than conquest or even large-scale immigration, because the new settlements in this period show such continuity with the past, not a complete break, not the initiation of something radically new.

考古学肯定了民族的融合，多个民族相融合的图景，而不是征服或者是大规模的移民，因为这一时期新的定居表明,与过去的连续继承，而不是完全的断裂，不是完全的新的开始。

耶鲁公开课 - 旧约导论课程节选

Back-to-back Tests are tiring mentally and physically so it has been nice to have a complete break.

BBC: It's not up to us to feel sorry for the West Indies.

This would require a complete break in an established and efficient production line.

CENTERFORSECURITYPOLICY: Center for Security Policy | Congressional Efforts To Delete Funds For The Trident II: One More Step Toward Comprehensive, Unilateral US Disarmament

Edwards played in the first four games of the season with his latest club, London Broncos, before being sidelined with a hamstring strain and has decided to take a complete break from the game.

BBC: Rugby league legend Edwards retires