喧闹的

(adjective) Noisy, highly active and disorderly.

例句

EXAMPLE: The young children studied quietly all afternoon, but they became quite rambunctious the moment they left their classroom.

这些小孩子安静地学习了一个下午，但一离开教室，他们就开始喧闹起来。

早期介入

To join something such as a new business or industry very early, and perhaps to be able to grow as it grows.

EXAMPLE: I was lucky enough to get in on the ground floor of an innovative new software company my friends started, and we all succeeded together.

我很幸运，早期加入了我的朋友们开办的富于创新的软件公司，我们一起获得成功。