not as ...as的用法總結

　　例句：

　　Things are not moving as fast as we hoped.

　　事情的進展不像我們希望的那么快。

　　Some doubters fear this news may not be as good as it appears.

　　一些持懷疑態度的人擔心這條新聞可能并非像其表面上那樣美好。

　　He's not very friendly, but he's not as black as he's painted.

　　他不太友善，但也不像別人說的那么壞。