If you're happy and you know it,

Clap your hands.(唱完这一句拍两下手)

If you're happy and you know it,

Clap your hands.(拍两下手)

If you're happy and you know it,(双手在胸前交叉摆动)

And your face will surely show it，(伸出两个食指从嘴巴往上划，做微笑状)

If you're happy and you know it,

Clap your hands.(拍两下手)

If you're happy, and you know it,

Stomp your feet. (跺两下脚)

If you're happy, and you know it,

Stomp your feet. (跺两下脚)

If you're happy, and you know it,(双手在胸前交叉摆动)

Then, your face will surely show it.(伸出两个食指从嘴巴往上划，做微笑状)

If you're happy, and you know it,

Stomp your feet. (跺两下脚)

If you're happy, and you know it,

Shout “Hurray!”(双手举起来做欢呼状)

If you're happy, and you know it,

Shout “Hurray!” (双手举起来做欢呼状)

If you're happy, and you know it, (双手在胸前交叉摆动)

Then, your face will surely show it.(伸出两个食指从嘴巴往上划，做微笑状)

If you're happy, and you know it,

Shout “Hurray!” (双手举起来做欢呼状)

If you're happy, and you know it,

Do all three.(把拍手、跺脚、欢呼连起来做一遍)

If you're happy, and you know it,

Do all three.(把拍手、跺脚、欢呼连起来做一遍)

If you're happy, and you know it, (双手在胸前交叉摆动)

Then, your face will surely show it.(伸出两个食指从嘴巴往上划，做微笑状)

If you're happy, and you know it,)

Do all three.(把拍手、跺脚、欢呼连起来做一遍)