[, ]a situation in which there is aggressive competition between groups, companies, countries, etc. over a period of time竞争；战争◆a fierce price war between rival supermarkets竞争对手超市之间激烈的价格战◆It's time to declare war on the illegal use of copied programs.对非法使用复制程序宣战的时候到了。⨁a bidding / price / sales war投标／价格／销售战⨁to lose / wage / win a war战争失利；发起／赢得战争trade war