That smiling faces, waves of voice, are full of happiness and joy.

那一张张笑脸，一阵阵歌声，都充满了幸福和快乐。

youdao

The optimistic are full of happiness because they always think of good things with good hearts.

凡事往好处想的人，快乐满怀，因为好心自然想好事。

youdao

I looked at her, his eyes are full of happiness to emerge, I know that she has finally decided is really, really, put down.

我看着她，眼睛里涌现地满满的都是幸福，我知道她这次终于是真的真的决定了，放下了。

youdao

Through times of tranquility and the throes of change, the Constitution has always guided our course toward fulfilling that most noble promise that all are equal, all are free, and all deserve the chance to pursue their full measure of happiness.

WHITEHOUSE: Presidential Proclamation -- Loyalty Day, 2012