be willing to.这里的to是什么词性?

be willing to.这里的to是什么词性? be willing to=? be willing to be willing to的同义词是什么? be willing to do还是be willing to doing 英语翻译用到 be willing to be willing to是不是 等于 become willing to be willing to等于什么?三个单词的 英语翻译现在学习的 乐意 这个词组是 be willing to be willing to do sth difficult是什么意思? be willing to 后加什么 be willing to后面接什么? Are you willing to be my prince? Are you willing to be my girlfriend Be willing to take the higher ground. i willing to be sorrow for Do you willing to be my angel? be willing to do sth 与be ready to do sth的区别