相持不下用英语怎么说？

相持不下

例句

• In the history of coalition warfare such impasses have been common, and sometimes disastrous. 在联合作战的历史中,这种相持不下的局面是很普通的, 往往也是灾难性的.
• A national poll shows the presidential race in a dead heat. 一项全国民意调查显示总统竞选相持不下。
• They shout and gesticulate tremendously but cannot agree. 他俩指手划脚,大吵大闹,相持不下.