aart.一(个)；每一(个)；任一(个)n.英语字母表的第一个字母；学业成绩得优者；表示“最好”的符号a far cry大不相同； 悬殊； 遥远的距离

1. Dick was a habitual thief but he had covered his tracks too well to be convicted.
   狄克是个惯偷，但他将罪证掩蔽得很好，结果没有被判罪。