Your piano is flat; it needs tuning.

你的钢琴的音低了，该调一调了。

youdao

The system is set up but it needs some fine-tuning.

该系统已装配好，但需要一些细小调整。

《牛津词典》

It's an excellent tool for tuning a server because it performs the appropriate calculations on the status variables to help you determine what needs fixing.

这是对服务器进行调优的一个非常好的工具，因为它对状态变量进行适当计算来帮助确定需要修正哪些问题。

youdao

Maybe it needs a fine tuning not an overhaul.

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If it needs more fine-tuning, Shuler's team makes adjustments.

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Clearly, the touchpad drivers still needs some fine-tuning, as it's a little too easy to accidentally launch apps when all you're trying to do is move the cursor around the screen.

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