短语词组短语to fall short of 比上不足比下有余;比上不足;未达到;亏缺to fall far short 差远to fall short of specifications 不合规格to fall short of th 比上不足比下有余to fall short of the 比上不足比下有余;比上不足determined not to fall short 争气fall short to 达不到 返回 to fall short