We’re throwing a surprise party for...We’d like to invite you to...

2

It’s my honor to invite you to...

3

I wonder if you would like to come to...

我想知道你是否願意來……

4

We are having/planning ...on...(date) and we feel it would be a great idea if you can join us.

我們將於……（日期）舉行……（活動），如果你能來參加就太好了。

5

Here are some details about this activity./The following are some details about this activity./Some details about this activity are as follows.

活動的細節如下。

6

To begin with, we will ... Besides, there will be a lot of activities such as...which will...

首先，我們將……此外，將會有很多活動,例如……這將……

7

This will be followed by...

這之後將會有……

8

I would feel honored if you could come.

如果你能來，我倍感榮幸。

9

I do hope that you can make it to ...

我真心希望你能……

10

I would appreciate it if you could accept my invitation.

11

We hope that you will accept our invitation if it is convenient for you.

12

We would appreciate it if you could confirm your participation at your early convenience.

如果你能儘早在你方便時確認參加，我們將不勝感激。

13

An early reply is appreciated.

我會非常感激你的早日回覆。

14

I’m looking forward to seeing you.

盼望著見到你。

15

I’m sure you’ll have a good time.

我確信你會玩得開心。