宽阔 (kuān kuò): กว้างขวาง

This road is very wide; it can accommodate eight cars side by side.

On the expansive grassland, cattle and sheep graze leisurely.

He is very broad-minded and never fusses over trivial matters.

Standing in the middle of the vast square, I feel incredibly free.

On the wide river, a few small boats slowly pass by.

The classroom is spacious enough to hold fifty students.