herd          
 noun [ C, + sing/pl verb ] uk/hɜːd/ us/hɝːd/
 兽群;牧群
a large group of animals of the same type that live and feed together
  a herd of cattle/elephants/goats 一群牛/大象/山羊 
  mainly disapproving芸芸众生,人群 
a large group of people that is considered together as a group and not separately
  Poor Janine - she just follows the herd (= does what all the other people are doing). 可怜的雅尼娜——她只是在随大流。 
 herd         
verb uk/hɜːd/ us/hɝːd/
 [ I or T, + adv/prep ](将…)赶成一群,放牧 
to make animals move together as a group
  An old woman was herding the goats. 一位老妇人正在山坡上放牧山羊。 
  [ T + adv/prep ] mainly disapproving(常指强迫性地)使集中在一起 
to make people move somewhere as a group, often against their wishes or with difficulty