她的病情突然急剧恶化。Her condition took a sharp turn for the worse.他的病情发展得这么快，您是否感到意外？Were you surprised that his disease progressed so quickly?虽然她病得很重，但病情正开始趋于稳定。Although her illness is serious, her condition is beginning to stab...
For years he was a boffo box office certainty.多年来,他一直是票房收入的保证.There is too little certainty about the present state of the German economy.德国当前的经济非常不稳定。It is impossible to say with certainty what Ichthyostega was doing as...