how to speak 參加 in English? (特別一些course)

你可以用take part in

1. Take part in
2. Participate in
3. Involve yourself in
4. Play a part in
5. Be part of (the team)
6. Contribute yourself to (the group)
7. Play a role in
8. Partake of something
9. Be a participant of
10. Engage yourself in (the group)

Hope that helps.

參加:
1. to take (a test, an exam)
2. to join (a club, association)
3. to take part in
4. to attend (a ceremony, meeting)