开朗 (kāi lǎng): กว้างขวางและแสงสว่างดี

She has a very cheerful personality and is always smiling, so everyone likes to be friends with her.

The decoration style of this café is very bright and spacious, with large windows letting sunlight fill the entire room.

Although he encountered difficulties, he still maintained a cheerful attitude and actively looked for solutions.

This room is both bright and airy, suitable for a study.