Don't waste your time fiddling around on your guitar.

别浪费你的时间，你的吉他上做手脚。

youdao

Don't go fiddling around with that spanner, you'll bugger the whole works up.

别拿那扳手乱摆弄，你会把整个机件都搞坏的。

youdao

After a lot of fiddling around I found this workaround which solved the problem.

经过一番摆弄周围我发现这一方法解决了此问题。

youdao

Few governments can resist fiddling around with contracts when times are good, especially when sunk costs are involved from international investors.

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After pushing the boundaries for a decade and introducing products we never even dreamed of, Apple is now fiddling around the edges.

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Fiddling around the margins of the tax code won't do the trick.

FORBES: The U.S. Income Tax: Start Over!