unofficially

[.ʌnə'fiʃəli]

adv. 非正式地, 非公认地

例句与用法：

The tax office told the company, unofficially, that it would be prosecuted.

税务局非正式地告诉公司，它可能被起诉。

详细释义：

ad.

非正式地; 非公认地