Our intervention is necessary for his problem.

It's not appropriate for me to intervene in his problem.

He trampled on my heart.

He tried to intervene between the two.

This area is still undeveloped and rich in nature.

This area is still undeveloped, and nature is abundant.

It takes time to introduce the development of new products.

He was arrested for the crime of smuggling.

A dehiscent fruit is a type of fruit that naturally splits open to release its seeds when it matures.

He cut the apple.