她一点一点地存钱。

She saved up the money, ___bit ___by ___bit.

这部电影充满张力，因为真相只被一点一点地揭示。

This film is full of tension as the truth is only revealed ___bit ___by ___bit.

这个项目多年来一点一点地进展。

The project progressed ___bit ___by ___bit over the years.