"get in the act" in Chinese (Simplified)
插手参与行动
Definition
加入别人已经参与的活动或情境，尤其是想一起感受兴奋、获利或受到关注。
Usage Notes (Chinese (Simplified))
这是非正式的习语，经常表示某人在活动已热闹或成功后才加入，有时带有想分一杯羹的意味。类似'赶时髦'或'凑热闹'。
Examples
The kids were playing soccer, and I decided to get in the act.
孩子们在踢足球，我决定也**插手**一下。
Everyone wanted to get in the act when they saw the prizes.
大家看到奖品后都想**参与行动**。
At first, only a few people danced, but soon more started to get in the act.
起初只有几个人跳舞，但很快更多人开始**插手**了。
Once the project became popular, lots of companies tried to get in the act.
项目一火起来，很多公司都想**插手**。
"Is that free food? I guess I'll get in the act, too!"
“那是免费食物吗？我也要**参与行动**！”
The trend was so big that even celebrities wanted to get in the act.
潮流太火爆，连名人都想**插手**。