to participate in an enjoyable activity
参加愉快的活动 (cān jiā yú kuài de huó dòng)
"Even the shy guests joined in the fun after a while."
"即使是害羞的客人也很快加入了欢乐。" (jí shǐ shì hài xiū de kè rén yě hěn kuài jiā rù le huān lè.)
to highlight something so others notice it
to keep pace with what’s being shared on a virtual screen or...
to choose someone or something in an election
to continue progressing with clear goals and motivation
to leave a place to go somewhere
to surrender to the police or authorities