Meaning of cān sài:
cān sài
参赛
Verb
to compete; to take part in a competition
Tā hěn gāoxìng néng yǒu jīhuì cānsài.
他很高兴能有机会参赛。
He is very happy to have the opportunity to compete.
Tā dǎsuàn míngnián qù Měiguó cānsài yī gè dàxíng de yǎnjiǎng bǐsài.
他打算明年去美国参加一个大型的演讲比赛。
He plans to go to the United States next year to take part in a large speech competition.