often
adv
ˈɒfən adv
1 if something happens often, it happens regularly or many times 经常，时常，多次;
She often works at the weekend.
她经常在周末工作。
If you wash your hair too often, it can get too dry.
如果洗头过勤，头发会变得太干枯。
How often
do you see your parents?
你隔多久去看一次你父母？
quite/very often
I quite often go to Paris on business.
我经常去巴黎出差。
Robin is a difficult child; you’ve said so yourself often enough (=a lot of times) .
罗宾是个难缠的孩子，你自己也常常这么说。
it is not often (that)
It’s not often that a government minister will admit to being wrong.
政府部长会承认自己错了，这种事可不常见。
2 if something happens often, it happens in many situations or cases 在许多情况下，通常
It’s often difficult to translate poetry.
诗歌通常都很难翻译。
very/quite often
Very often children who behave badly at school have problems at home.
在学校里行为不佳的儿童大多数在家里也有问题。
3
all too often only too often
also 又作 used to say that something sad, disappointing, or annoying happens too much 〔令人悲伤、失望或讨厌的事〕司空见惯，屡次三番
All too often doctors are too busy to explain the treatment to their patients.
医生往往忙得没时间跟病人解释治疗方案。
This type of accident happens only too often.
这类事故发生得太频繁了。
4
every so often
sometimes 有时，偶尔
An inspector comes round every so often to check the safety equipment.
偶尔有检查员来检查安全设备。
5
as often as not more often than not
also 又作 usually [口] 通常，往往，一贯 spoken
More often than not the train is late.
这趟火车常常晚点。