参加限于成年人。
Participation is limited to adults.
to be limited to; to be confined to
Every character draws itself, stroke by stroke. Then grab the brush: trace it yourself and hear the word when you finish.
Nice writing!
Chinese words snap together like bricks. Every word below shares a character with this one, so you are already halfway to knowing it.
参加限于成年人。
Participation is limited to adults.
时间限于一小时。
The time is limited to one hour.