他对投资一窍不通, 只是瞎搞一气罢了.He knew nothing about investment; he just it went it blind.在你这么瞎搞以前,这个建议实际上还是可以的.It was all right as it was before you started messing it.别把收音机拿来瞎搞. 否则你会弄坏的.Stop about with the radio. or you'll br...

“瞎搞”的英语可以翻译为：fiddle，flub，tamper with，fiddle-faddle ...