3 sentences

1. 祝你们生活幸福美满。

   zhù nǐ​men shēng​huó xìng​fú měi​mǎn.

   I wish you a happy and fulfilling life.

   Source: Dong Chinese Dictionary

2. 这并不是我所期待的美满结局。

   zhè bìng bù shì wǒ suǒ qī​dài de měi​mǎn jié​jú.

   It's not quite the happy ending I was hoping for.

   Source: OpenSubtitles

3. 民间常说“三星高照”，寓意生活美满幸福。

   mín​jiān cháng shuō“ sān​xīng gāo​zhào”, yù​yì shēng​huó měi​mǎn xìng​fú.

   There is a folk saying, 'The three stars shine high,' symbolizing a happy and blissful life.

   Source: Dong Chinese Dictionary