例句：
1.我現在在干嘛呢？
What am I now doing?
2.問題(電話里)：你在干嘛呢？
Question (on the phone) : What are you doing?
3.昨晚你去他家的時候，他在干嘛呢？
What was he doing when you went to his house last night?
4.“你在干嘛呢？”年輕的治安官問道。
"What are you doing?" asks young squire.
5.大家說這螞蟻到底是在干嘛呢？
What is this ant doing?