"fiddle around" in Chinese (Simplified)
瞎摆弄磨蹭
Definition
做没有意义或没有目标的小事，尤其是随意摆弄或更改东西。也指无目的地捣鼓某物。
Usage Notes (Chinese (Simplified))
多用于口语，指某人不专心正事或者无目的乱动东西。'fiddle around with' 常指摆弄物品。表达时语气可能略带不满。
Examples
Stop fiddling around and do your homework.
别再**瞎摆弄**了，快做作业。
He likes to fiddle around with old radios.
他喜欢**瞎摆弄**旧收音机。
She spent an hour fiddling around in the kitchen.
她在厨房**瞎摆弄**了一个小时。
I just fiddled around on my phone all afternoon.
我整个下午都在手机上**瞎摆弄**。
Are you going to help or just fiddle around all day?
你是要帮忙还是整天在这**瞎摆弄**？
He was supposed to fix the shelf, but he just fiddled around and nothing got done.
他本来应该修理架子的，但只是**瞎摆弄**，什么都没做成。