announcement (noun)
a statement releasing information to the public
公告
The school released an announcement regarding the schedule of the upcoming exams.

morning assembly (noun)
a gathering of students and teachers at the start of the day
早會
We listen to the principal speak about good work ethic during the morning assembly.

average (adjective)
normal or usual, not special
一般的
Though the food reviews online of this ramen shop was glowing, I personally found it average, the ramen was no different from other shops.