My pleasure in receiving the letter was somewhat alloyed by its contents.我收到这封信时的喜悦在读过信后蒙上一层阴影。A deeply moving, deeply personal story can be alloyed with a powerful political argument.一个感人至深的真人故事会被鲜明的政治观点弄变味。Silver is a soft metal and is alloyed to make it withstand everyday use.银是一种软金属，它被铸成合金以经得起日常使用。