麻烦大家，问几个词组的意思

niswzzhn

在新版的白勇的《GMAT语法全解》中，第109页45题后面的总结中：something be grounds for doing是什么意思啊？谢谢大家！

FiEdo

[C esp pl 尤作复数] ~ (for sth/doing sth/to do
sth) reason(s) or justification for saying, doing or believing sth 说﹑
做或相信某事的原因或理由: You have no grounds for complaint/for
complaining. 你没有抱怨的理由. * If you continue to
behave like this you will give them/provide them with grounds for dismissing
you. 你照这样下去就让他们找到辞退你的理由了. * Desertion is a ground
(ie legally sufficient reason) for divorce.
被配偶遗弃是离婚的充足理由. * They had no grounds to arrest
him. 他们没有理由逮捕他. * I had to retire on medical
grounds/on the grounds of ill health, ie because I was ill.
我因健康的缘故不得已才退休了. * Her claim was disallowed on the ground(s)
that she had not paid her premium. 她要求赔款遭到拒绝, 原因是她事先没有交纳保险费. *
On what grounds do you make that accusation?
你根据什麽提出那项控告? =>Usage at reason¹
用法见reason¹.

字典是好东西