首先我們來看下it is my pleasure和with pleasure的大致意思：
it is my pleasure：詞性為短語，當對方表示感謝或提出請求時，用來回答並表達自己的願意
with pleasure：詞性為短語，表示樂意幫助、參加或滿足對方的需求
通過下面的表格我們了解下it is my pleasure和with pleasure的含義、發音和用法
接下來讓我們看下it is my pleasure和with pleasure的用法區別：
1.用法：it is my pleasure通常用於回答感謝或請求，表示做某事是自己的榮幸；with pleasure用於回答請求或邀請，表示非常樂意去做某事
例子：
- A: Thank you for helping!
B: It is my pleasure.
(A：謝謝妳幫忙！
B：it is my pleasure。)
- A: Can you do me a favor?
B: With pleasure.
(A：妳能幫我壹個忙嗎？
B：with pleasure。)
2.含義：it is my pleasure強調做某事是自己的榮幸、愉快；with pleasure強調非常樂意去做某事
例子：
- A: Thank you for your help.
B: It is my pleasure.
(A：謝謝妳的幫助。
B：it is my pleasure。)
- A: Please come to my birthday party.
B: With pleasure.
(A：請妳來參加我的生日派對。
B：with pleasure。)
3.語氣：it is my pleasure語氣更加正式、莊重；with pleasure語氣更加輕松、隨意
例子：
- A: Thank you for your hospitality.
B: It is my pleasure.
(A：感謝妳的款待。
B：it is my pleasure。)
- A: Let's go watch a movie together.
B: With pleasure.
(A：我們壹起去看電影吧。
B：with pleasure。)
4.回答感謝：it is my pleasure用於回答對方的感謝；with pleasure不適用於回答感謝
例子：
- A: Thank you for your help!
B: It is my pleasure.
(A：非常感謝妳的幫助！
B：it is my pleasure。)
- A: Thank you for treating me to a meal.
B: With pleasure.
(A：謝謝妳請我吃飯。
B：with pleasure。)
5.回答請求：it is my pleasure用於回答對方的請求；with pleasure用於回答請求或邀請
例子：
- A: Can you do me a favor?
B: It is my pleasure.
(A：妳能幫我壹個忙嗎？
B：it is my pleasure。)
- A: Would you like to travel together?
B: With pleasure.
(A：妳願意壹起去旅行嗎？
B：with pleasure。)
6.程度：it is my pleasure表示做某事是自己的榮幸，強調程度較高；with pleasure表示樂意去做某事，程度略低於it is my pleasure
例子：
- A: Thank you for helping!
B: It is my pleasure.
(A：謝謝妳幫忙！
B：it is my pleasure。)
- A: Can you do me a small favor?
B: With pleasure.
(A：妳能幫我壹個小忙嗎？
B：with pleasure。)