isn't（缩写式） = is not（完全式）
【1】isn't
英 [ˈɪznt] 美 [ˈɪzənt]
【2】例句
1、It isn't too difficult once you get the idea
你一旦弄懂了，就不太难了。
2、Perhaps he isn't coming.
他许不来了。
3、It's past the appointed time. Maybe he isn't coming.
约定的时间都过了，别是他不来了吧？
4、Isn't that enough for you?
那对你来说不够吗？
5、Isn't dinner ready? I'm famished.
饭好了吗？我都饿坏了。
6、Merely because you believe a thing is right, it isn't automatically so
事情不会仅仅因为你相信它是对的，就会必然如此。
7、'Isn't this marvelous?' she cooed.
“这是不是太不可思议了？”她低声说。
8、It's a love, isn't it?
真可爱啊，是不是？
9、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。
10、It's a devil of a tricky problem, isn't it?
这是个非常棘手的问题，不是吗？
11、I'm afraid German beer isn't for me.
恐怕我喝不了德国啤酒。
12、I suspect he isn't altogether unhappy about my absence
我猜想他对我的缺席并没有感到很不高兴。
13、My bank balance isn't very large.
我的银行存款余额不多了。
14、Mummy is so nasty to me when Daddy isn't here.
爸爸不在这儿时，妈妈对我很凶。
15、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。
参考资料