a spontaneous offer of help. 主动提出帮助. 《牛津高阶英汉双解词典》. She definitely had an ulterior motive in offering to help. 她主动提出帮忙,肯定有不可告人的动机. 《简明英汉词典》. He's volunteered his services as a chauffeur. 他主动提出当司机。. 辞典例句.
主动提出做某事. Jim offered to cook dinner because I wasn't feeling very well. 我不舒服,吉姆主动提出做晚饭。 She offered to speak to the boss to clear the issue up. 她主动提出和老板谈谈,把这个问题说清楚。 (4)Do sth voluntarily. He was not asked to leave—he went voluntarily.