He is known as a person with learning.

This lake is very deep.

His eyes were filled with deep sorrow.

What do you call 'time' in dialect?

I've been waiting for hours at that shop, but the meal still hasn't come out.

I exercise at the gym for two hours every day.

Have you checked the timetable for the new semester?

Sorry for the wait, your order is here.

His explanation was impossible to understand.

It is important to understand the importance of health.