often       
adverb uk/ˈɒf.ən/ /ˈɒf.tən/ us/ˈɑːf.ən/ /ˈɑːf.tən/
A1 时常,经常;多次
many times
  I often see him in the garden. 我常见他在花园里。 
 How often do you wash your hair? 你多久洗一次头发? 
 I don't often drink beer. 我不常喝啤酒。 
 It's not often that you meet someone who you're instantly attracted to. 你不会经常遇到一见面就把你吸引住的人。 
 I don't see my parents as often as I'd like to. 我看父母的次数没有我期望的那样多。 
 Christmas is often mild in this country. 在这个国家,圣诞节时的气候往往很暖和。 
 Synonym: frequently
 - More examples
 - I don't cook meat very often.
 - It's often quicker to travel across country and avoid the major roads altogether.
 - She wrote less and less often, and eventually she stopped altogether.
 - They had a passionate and often stormy relationship.
 - I often get hungry towards the middle of the morning.
 
Idiom   
more often than notidiom  往往,多半
most of the time
  More often than not, a student will come up with the right answer. 学生多半会作出正确的回答。