The chairman of the IPCC panel, Rajendra Pachauri, on Saturday called the forecast "a regrettable error,"

VOA: standard.2010.01.23

I don't really have the opportunities to study math and science, which, to some degree, I think is regrettable

我没什么机会继续学习数学和科学。我有时觉得有些很遗憾，

文学是灵魂的方式 - SpeakingMax英语口语达人

They are certainly regrettable and horrible in terms of loss of life, but the reaction from the Iraqi people and the Iraqi leaders was firm and united in rejecting that violence and refusing to allow it to set Iraqi against Iraqi, which is obviously one of its intended goals,".

VOA: standard.2009.04.25