你在干嘛呢的英文翻译是What are you doing 。
双语例句1. What are you doing fooling with such a staggering sum of money
你拿着这么一大笔钱瞎折腾什么呢？
2. What are you doing? Are you out of your mind
你在干什么？你疯了吗？
3. "Dr Campbell," he said, clearly surprised. "What are you doing here?" ?
“坎贝尔医生，”他显然很惊讶地说道，“您怎么在这儿？”
4. "And what are you doing now?"— 'Oh this and that.' ?
“那你现在在做什么呢？”——“哦，瞎忙。”
5. "What are you doing here?" he asked snidely. ?
他挖苦道：“你在这里干什么呢？”
6. "What are you doing?" she demanded shrilly. ?
“你在干什么？”她厉声责问。
7. What are you doing this evening
你今晚打算做什么？