本质 (běn zhì): แก่นแท้

After three months of investigation, the reporter finally uncovered the essence of this company's financial fraud.

They often argue over trivial matters, but the essence of the problem is a lack of mutual trust.

The essence of learning a foreign language is not just memorizing words, but also understanding the culture behind the language.

Although he appears very polite on the surface, his colleagues can all see his selfish essence.

Scientists believe that exploring the essence of the universe requires the joint efforts of several generations.