How to say spacious and well-lit/open and clear in Chinese 开朗

她是个坚强而开朗的人。 ( She is a strong and cheerful person. )

妹妹生性活泼开朗。 ( The younger sister is lively and cheerful. )

应该开朗一些，别老是闷声不响。 ( Be cheerful and don't keep silent. )

性格非常开朗 ( Very cheerful personality )

早晨天空乌云密布，午后才逐渐开朗起来。 ( The sky was overcast in the morning, and then it became brighter in the afternoon. )

眼前豁然开朗，露出一片大草原 ( Suddenly open eyes, showing a prairie )

经老师点拨后，他心里豁然开朗，连连称是。 ( After being instructed by the teacher, his heart suddenly opened up, and he repeatedly said yes. )