unprecedented success

前例のない成功という意味ですが、発音に注意です。0;03 The raising of the cruise liner the Costa Concordia has been an unprecedented success. コスタ・コンコルディア号の引き揚げは前例を見ない成功だった。

http://www.youtube.com/watch?v=QOmEIpvu98o 2:04 Japan is facing unprecedented disasters and how it will face the reconstruction efforts and also the nuclear crisis will be its toughest challenges yet.