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.