顶尖 (dǐng jiān): peak; apex; world best; number one; finest (competitors); top (figures in a certain field)

The doctors at this hospital are all top experts in the country, and many patients come from all over to seek treatment.

She studied piano from a young age, later got into a top music conservatory, and now has become a professional performer.

In order to attract top talent, this company not only offers a high salary but also gives ample room for development.

He has researched artificial intelligence for many years and published many papers, and is considered a top scholar in the field.

In order to achieve good results in the competition, the coach brought in a top physical trainer to help the athletes improve their level.