walla

Walla is a sound effect imitating the murmur of a crowd in the background.

1. I mixed the ingredients, added the sauce, and walla, dinner is served!
   我把食材混合，加入了酱汁，瞧，晚餐准备好了！
2. She followed the instructions carefully, and walla, the problem was solved.
   她仔细按照指示操作，瞧，问题解决了。