The stairway carpet is so frayed it threatens to unravel.铺在楼梯上的地毯磨损得很厉害，都快散了。What moves him is the desire to unravel the mysteries of nature.推动他们的还是解开自然之迷的愿望.There is still a good deal to unravel.还有不少问题要澄清....
She met Mr and Mrs Ricciardi, who were very nice to her.她见到了里恰尔迪夫妇，他们对她非常友好。Mr Harris and Mrs Bate and three other teachers were there.哈里斯老师、贝特老师和其他三位老师在场。I paid Mr. and Mrs. Smith a return visit yesterday afternoon.我昨天下...
The movie was a letdown.那电影真令人失望.He found himself completely unable to suppress a sense of disappointment, of letdown.他感到自己有一种完全无法抑制的受挫和失望的感觉.It's really a letdown to let Tom join us.让汤姆加入我们真是一件扫兴的事情....