表演者在三环马戏团同时进行的多个表演让观众眼花缭乱。

The performers dazzled the audience at the ___three-ring circus with acts happening in all rings at once.

家长会简直像个马戏团，三个教室同时在进行不同的活动。

The parent-teacher meeting was a ___three-ring circus with activities happening in three classrooms at once.