在大家的努力下，活动取得了圆满成功。

Zài dàjiā de nǔlì xià, huódòng qǔdé le yuánmǎn chénggōng.

Thanks to everyone's efforts, the event was a complete success.

会议圆满结束了。

Huìyì yuánmǎn jiéshù le.

The meeting ended successfully.

他希望自己的人生不仅稳定，而且圆满。

Tā xīwàng zìjǐ de rénshēng bùjǐn wěndìng, érqiě yuánmǎn.

He hopes his life will not only be stable but also fulfilling.