The secret to living well and longer is: eat half, walk double, laugh triple, and love without measure. 

活得快乐长寿的秘诀是：少吃一半的饭量，多走两倍的路程，增加三倍的微笑，以及无限量的爱。 

单字记忆： 

1. secret ['sikrɪt] n. 秘密；秘诀；机密adj. 秘密的；机密的 

2. double ['dʌbl] n. 两倍；

3. measure ['mɛʒɚ] n. 测量；措施；程度；尺寸 

4. triple ['trɪpl] n. 三倍数；三个一组