The fighting escalated into a full-scale war.

这场交战逐步扩大为全面战争。

《牛津词典》

It reflected the fact that these decades saw a climb in general standards of living and avoidance of mass societal traumas like full-scale war or economic deprivation.

它反映了这样一个事实：在过去的几十年里，人们的总体生活水平有所提高，并且避免了大规模战争或经济匮乏等大规模社会创伤。

youdao

During the Cold War, the Navy's focus was generating at many fighter sorties as possible within the first few days of a full-scale conflict.

在冷战时期，海军的重点是在全面冲突的最初几天内尽可能多的保证战斗机的出动量。

youdao

Syria will not initiate a full-scale war against Israel because it would lose a full-scale war.

CENTERFORSECURITYPOLICY: As Syria prepares for war

This could trigger a full-scale war, with missile attacks, radioactive fallout, economic turmoil and massive refugee flows.

CNN: North Korea: What are the options?

"peacekeeping" force--a totally unsuitable arrangement for intervention in a full-scale war--was floundering.

CNN: Giving Peace a Chance