Zhè ɡe huìyì xiānɡduì fēi zhènɡshì.

这个会议相对非正式。

The meeting is relatively informal.


Notes:

这个(zhè ɡe): this

会议(huìyì): meeting

相对(xiānɡduì): relatively

非正式(fēi zhènɡshì): informal

Example:

A：明天开会老总来吗？

     Mínɡtiān kāihuì lǎozǒnɡ lái mɑ?

     Will the boss come to the meeting tomorrow?

B：不来。这个会议相对非正式。

    Bù lái. Zhè ɡe huìyì xiānɡduì fēi zhènɡshì.

     No. The meeting is relatively informal.