1.
1. 很荣幸:299 Why so? 为何如此? | 300 With pleasure. 很荣幸. | 301 You hoo! 哟嗬!
2. 乐意帮忙:721. Would you open the door for me, please? 你能替我开门吗? | 722. With pleasure. 乐意帮忙. | 723. Would you mind opening the window? 你介意开窗吗?
3. 十分乐意:233.真妙Excellent | 234.十分乐意with pleasure | 235.啊我明白了 oh ,I see
4. 这是我的荣幸:you bet. 当然啰. | with pleasure. 这是我的荣幸. | why bother. 为何那莫麻烦?