根据不足 meaning in Chinese

inadequate foundation
lack of foundation

The suggestion is poorly supported by facts
这一建议事实根据不足。
His arguments are ill grounded in facts
他的说法事实根据不足。
It holds that the author of chu bamboo edition on poetry founded in shangbo is not zi xia , for he was never mentioned as bu zi in pre - qin and han dynasties classics
通过辨析可以发现：先秦两汉典籍未见直接称子夏为“卜子”的用法，子夏作《序》之说根据不足。