step lively

例句：

1. 1. The childrenwere stepping lively in the park.
   孩子们在公园里活泼地玩耍。
2. 2. She stepped lively into the room with a big smile.
   她带着灿烂的笑容走进房间。
3. 3. The performance wasso lively that it kept everyone engaged.
   表演非常生动，让每个人都很投入。