Meaning of cān jiā:
cān jiā
参加
Verb
to participate; to take part; to join
Wǒ dǎsuàn cānjiā xià zhōu de huìyì.
我打算参加下周的会议。
I plan to participate in next week's meeting.
Wǒ jīnnián dǎsuàn cānjiā mǎlāsōng bǐsài.
我今年打算参加马拉松比赛。
I plan to take part in the marathon this year.
Wǒ xiǎng cānjiā zhè cì huìyì.
我想参加这次会议。
I want to join this meeting.