向国旗敬礼是一种表达对祖国的热爱和敬意的方式，也是一种爱国主义精神的体现。下面是一些简短的英语寄语，可以用来表达我们对祖国的爱和敬意：

1. Long live our great motherland!

2. We salute the national flag with respect and love.

3. The national flag is a symbol of our unity and strength.

4. We stand tall and proud when we salute the national flag.

5. Let our love for the country be reflected in every salute we make.

6. We honor the sacrifices of our ancestors by saluting the national flag.

7. The national flag represents the hope and dreams of our people.

8. We salute the national flag to show our pride in being Chinese.

9. Our love for the country is unbreakable, just like the national flag.

10. We salute the national flag to show our gratitude for the blessings of our country.