In conversational English " is not " often contracts to " isn't ".
口头英语中is not 常缩写为 isn ‘ t.
《简明英汉词典》
I see him every now and then, but not often.
我偶尔看见他, 但不经常看见他.
《简明英汉词典》
One's not often got two bites at a cherry in the world of business.
在商界,机会一去难再来.
《简明英汉词典》
It is not often that one so young has such a giant intellect.
年纪这样轻、智力又如此高的人可不多.
《简明英汉词典》
The word " intelligence " was not often used in connection with animals.
“ 智慧 ” 这个词儿不常用在动物身上.
辞典例句
It was not often necessary for her to retract a statement.
她一言既出,通常不至于撤回.
辞典例句
His speeches are not often illuminated by adequate learning.
他的发言中并未经常反映出足够的学识.
辞典例句
Babbitt did not often squabble with his employees.
巴比特不常和雇员争吵.
辞典例句
He was not often sentimental.
他不太经常这么多情.
辞典例句
Bowler hats are not often worn nowadays.
现在戴常礼帽的已不多见了.
辞典例句
Although they frequently had narrow escapes, they did not often come to grief.
他们虽然常常冒着几乎是不可逃避的危险, 但往往总能死里逃生.
辞典例句
Sometimes, but not often, something worthwhile has been produced unexpectedly by sheer good luck.
但有时候, 并非经常, 一些有价值的成就的取得纯属偶然.
辞典例句
Beautiful young heiresses , with names like Alinda De Barberie, are not often found on ships.
船上难得见到如阿玲达·德·巴伯利那样年轻美丽的女继承人.
辞典例句
Soap does not often occur as a colloidal suspension except in laundry waste.
除了洗衣房废水外,肥皂常常不以胶态悬浮体形式存在.
辞典例句
He do not often go to look for food himself.
他经常不自己去寻找食物.
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