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Ha! I will tweak your nipples!

She tweaked his ear playfully.

I’m hoping that if you learn to tweak this a little bit it significantly change the way your life unfolds.

I just have to tweak my report a little bit and then it will be finished.

possibilities to tweak it are documented in detail in the reference documentation

He made some tweaks to his computer, and now it works faster.

Someone still has got an interesting model, why don’t we tweak it a little bit?

We just wanted to tweak his original idea a bit