WH04

Question 1

Cornerstone

Answer 1

The most important part of something that the rest depends on.
Ex:
- This study is cornerstone of the whole research program.
- Fitness is only one cornerstone in the triangle of physical health: the other two are diet and sleep.

Question 2

To provide well for somebody’s children

Answer 2

To give someone the things they need to live, such as money, food.
Ex:
- His parents were rich and were able to provide well for their children.
- His dad lost his job and was not able to provide well for his children.