Encara no tenim significats per a "much tweaking".
1The story goes that initial test screenings were disastrous and that there was much tweaking of the movie in post-production.
2It's not hard to see why: they're easy to understand, fast to learn, and usually quite accurate without too much tweaking.
3Now I can see that it wouldn't take much tweaking to turn that sense of mission into an inflated sense of self-worth.
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