tweaking

基本解释

Because each customer will only see the survey once, there’s no downside to tweaking it.
因为每一位顾客都只看到这个调查一次，不会有调整的机会。
Tweaking and adjusting turbines so that their blades can harness the strongest air currents rather than be harmed by them is a normal part of turbine management.
在涡轮管理中，不停地拧以及调整这些涡轮使他们的叶片能够利用最强劲的气流，而非被这些气流所破坏是一项行规作业。
In the lab, researchers can create the impression of sending light faster than the speed limit by tweaking the speed at which the wave crests of light propagate through space.
在实验室中，研究人员可以在光线传播通过空间时，对光的波峰稍作调整来造成发送光线的速度比极限的速度限制更快的印象。

They've tried tweaking Web browsers and search engines to make scam sites more apparent.
FORBES
The challenge here is to generate more sales, while reducing expenses and tweaking costly administrative processes.
FORBES: 6 Tips for Services Startups When Profits Plateau
So you thought tweaking your privacy settings could actually keep you private on Facebook?
ENGADGET: WSJ: Facebook apps and games are dishing out your user ID to unauthorized third parties

If you tweak something, especially part of someone's body, you hold it between your finger and thumb and twist it or pull it.
If you tweak something such as a system or a design, you improve it by making a slight change.
Tweak is also a noun.