英语语法分析

She can be quite a tartar.

她有时会是个专横苛刻的人。

《柯林斯英汉双解大词典》

By 3-5 years: All teeth may have tartar build-up and some tooth wear.

3 - 5岁，所有的牙齿上都有牙垢，一些牙发生磨损。

If plaque isn't removed promptly with proper oral hygiene, it hardens into tartar.

如果噬菌斑因为没有良好的口腔卫生而留在牙齿中，它将会升入牙垢当中。