Why did you let her fiddle about with the remote control?
你为什么让她乱动遥控器?
The bus company is always fiddling around with the schedules.
公共汽车公司老是乱改时间表。
Examples from the Corpus
fiddle around with • I was fiddling around with a couple of tracks, trying various things.• Watching a kid fiddling around withfriedbread.• Talking all the time she opened a few cupboards, then got a tin out and fiddled around with it.• She's always having the builders in to fiddle around with something or other.• Unfortunately there's no way to arrangetext into columns without fiddling around with the tabsettings.