improve on

对 ... 加以改良, 改进

例句与用法：

I was unable to improve on his translation.

我没法再提高他的译文。

Let's try to improve on it.

咱们设法把它改进一下。

词形变化：

动词过去式: improved | 动词过去分词: improved | 动词现在分词: improving | 动词第三人称单数: improves |

详细释义：

改进; 超过

Mary has never improved on her first book.

玛丽再也没有写出比她处女作更好的书来。