To offer a man unsolicited advice is to presume that he does not know what to do.主动给人提建议就意味着假定对方不知道要做什么。

I refuse to give shops my phone number so they can ring me with unsolicited offers.我拒绝把电话号码给店家, 以免他们主动给我打电话推销。

The world's second-largest oil company made an unsolicited bid for the company in March.世界第二大石油公司在三月份主动竞购这家公司。

They sent millions of unsolicited commercial e-mails.他们主动发送了数百万封商务电子邮件。