isn't

英 [ˈɪznt]

美 [ˈɪznt]

is not 的常用口语形式

Collins.5

柯林斯词典

Isn't that enough for you?
那对你来说不够吗？
That isn't a value judgement, it's a fact.
那不是一个价值判断，而是一个事实。
He just isn't in your league.
他和你根本不是同类型的人。
This is another half-baked scheme that isn't going to work
这又是一个不靠谱的计划，是不会成功的。
My law practice isn't the most important thing in my life, you know.
你知道，我的律师事务所不是我生活里最重要的事情。
Not all is perfect, but it isn't for want of trying.
一切并非无可挑剔，但已经竭尽全力了。
This isn't highfalutin art-about-art. It's marvellous and adventurous stuff.
这不是一件纯粹为艺术而艺术的华而不实的东西，而是进行了大胆创新的非凡作品。
'Isn't this marvelous?' she cooed.
“这是不是太不可思议了？”她低声说。
It isn't too difficult once you get the idea
你一旦弄懂了，就不太难了。
This isn't the first hare-brained scheme he's had.
这已经不是他制定的第一个愚蠢方案了。