trend             
 noun [ C ] uk/trend/ us/trend/
B1 趋势,趋向;倾向,动向
a general development or change in a situation or in the way that people are behaving
  Surveys show a trend away from home-ownership and toward rented accommodation. 调查表明,出现了一种从私人拥有住房转向租赁住房的趋势。 
 There's been a downward/upward trend in sales in the last few years. 过去几年中销售额一直呈下降/上升趋势。 
 Synonyms: crazefadfashion (POPULAR STYLE)mode (FASHION)style (FASHION)vogue
Compare: cult nounmania (STRONG INTEREST) 
  时尚;新款式
a new development in clothing, make-up, etc.
  Whatever the latest fashion trend, you can be sure Nicki will be wearing it. 不管是什么样的流行款式,尼基肯定会穿。 
 The trend at the moment is for a more natural and less made-up look. 时下的潮流是多一分自然,少一些妆容。 
 on trend 时尚的
fashionable
  Her long skirt is right on trend this winter. 她的长半截裙今年冬季正流行。 
 - More examples
 - The trend towards downshifting, where employees swap the stress of corporate life for more quality time, tempted 6% of the UK workforce last year.
 - You can't really extrapolate a trend from such a small sample.
 - A worrying trend for insurers has been a rise in fraudulent claims.
 - The trend towards home ownership has gone into reverse.
 - With an upward trend in inflation, you expect prices to rise.
 
trend       
verb [ I ] uk/trend/ us/trend/
 (某一时刻在社交媒体或网站上)被提及最多的词语(主题或名字)
to be one of the words, subjects, or names that is being mentioned most often on a social media website or a news website at a particular time
  Within minutes of the incident her name was trending on Twitter. 事件发生几分钟后她的名字就在推特上传开了。 
 Click here for a list of trending topics. 点击这里可以看到热门主题的名单。