This is the 590th most frequent Chinese word.
参加
"Participate" or "attend."
Here, "参加" is used to mean "to participate in," indicating actively taking part in an event.
他计划参加明年的马拉松比赛。
He plans to participate in the marathon next year.
Here, "参加" is used to mean "to join," referring to being involved in an activity or effort.
我们应该鼓励更多的人参加这项活动的筹备工作。
We should encourage more people to join the preparation work for this event.
Here, "参加" is used to mean "to attend," referring to being present at an event.