Walla
n. 经办业务人；要人（等于wallah）
🗣️ 情景例句
Uh, we're home now, Ellen.
噢 ，我们现在到家了， Ellen。
It is easy to be wise after the event.
当事后诸葛亮容易。
The development of films with sound became a problem for Chaplin.
有声电影的研制对卓别林来说就成了问题。