"牛市"的英文是"bull market"。这个词来源于股票市场，指的是股票价格持续上涨的市场。
例句：
The bull market is expected to continue for several more months. (预计牛市还将持续几个月。)
The stock market has been in a bull market since the beginning of the year. (今年以来，股市一直处于牛市。)
中文翻译：
牛市预计还将持续几个月。
今年以来，股市一直处于牛市。