您要查找的是不是：
- I think it not difficult to solve the problem. 我认为解决这个问题并不困难。
- Oh, it is not difficult at all, really. 哦，这真的一点儿也不难。
- I oughtn' t to do that, it' s not ethical. 我不该做那件事，它是不合乎道德的。
- Don' t answer ( me ) back ; it' s not polite. 不要跟我顶嘴,这是不礼貌的。
- Oh, it was not difficult at all, really. 哦，这真的一点儿也不难。
- Don' t hide behind the door. It' s not safe. 不要躲在门后,那不安全。
- It 's not a sharp pain; just sort of a dull ache . 这不是剧痛；只是有些隐痛。
- It's not difficult once you get the hang of it. 你掌握了要领就不难了。
- It 's not allowed to spit everywhere . 随地吐痰是不允许的。
- It is not difficult to master algebra. 要精通代数并不困难。
- It 's not only heat, but the humidity as well . 天气不仅仅炎热而且潮湿。
- Finish it in a minute if it is not difficult. 如果不难,就尽快完成。
- Don' t sit on that chair it' s not stable. 别坐在那张椅子上，那椅子不稳。
- It's not difficult for one to do a bit of good. 一个人做点好事并不难。
- It' s not a house but a glorified hut. 那不是一所房子，而是美化了的小木屋。
- It's not difficult to score off Jim in an argument. 在辩论中要驳倒吉姆并不难。
- It' s not easy to run backwards. 倒着跑不容易.
- It's not difficult to see what's behind it. 不难明白其中的奥妙。
- It' s not humanly possible to count so quickly. 计算得这么快是人力无法做到的。
