fall short of [fɔ:l ʃɔ:t ɔv]

以下由轻松背单词网站提供

不足，达不到

We still fall far short of what the Party expects of us.我们离党的要求还差得远。
As such,he is foredoomed to fall short of our expectations.既然如此，他注定不能达到我们的期望。