您要查找的是不是：
- It was not easy to preserve inscrutability when you did not know what your face looked like. 你不知道自已的容貌是什么样子，是很难保持外表高深莫测的。
- I let it be known that I was not interested. 我让它被知晓就是我对此不感兴趣。
- He said the plane was on a scheduled flight to Bahrain. It was not known what cargo the plane was carrying. 他说，这架飞机是预定前往巴林航班。它不知道当时飞机上载什么货物。
- He did not know what his son might turn out to be, but it was always well to have an anchor to windward. 虽说他不知道儿子大了以后究竟会怎样，可是未雨绸缪总没错儿。
- It was not our fault that we were late. 这次迟到不是我们的错。
- When it was first invented is not known. 它最初是什么时候发明的,现在还不知道。
- It was not until he came that I left. 直到他来我才离开。
- It was not discreet of you to say that. 你那样说有欠考虑。
- I do not know whether it was written by U.S. 不知道是否是美国人写的。
- It was not long before tragedy struck again. 没多久，灾难又再次降临。
- It was not just an accident; she did it of intent. 这不是一个真正的意外事故; 她是有意这样做的。
- Is that your eraser?Not, it be not. 那是你的橡皮擦吗?不，它不是。
- The news was not worth the paper it was written on. 那条新闻毫无价值。
- It was not easy for John to come around. 让约翰改变立场是不容易的。
- It was not for pleasure that we did it. 我们做那事并非为了消遣。
- It was not unusual for me to come home late. 回家晚对我来说是不稀奇的。
- It was quite obvious that she was not going home. 很显然她不准备回家。
- She did not know; it was too subtle and elusive to name. 她不知道，这太微妙难以指明。
- It was a dark enriching influence she had not known before. 这是一种她从来未感受到的朦胧而又不断丰美的感化力量。
- It was not always like this, you know. 你知道，以前可不总像现在这样。
