adj.令人愉快的，快乐的，兴高采烈的，高兴的

Eric was cheerful throughout the trip.
埃里克整个旅程都有愉快的心情。
Lisa was cheerful about the idea.
丽萨对这个想法很高兴。
She woke up with a cheerful smile on her face, ready to embrace the new day.
她醒来时面带欢快的笑容，准备迎接新的一天。
The children's cheerful laughter filled the park, creating a delightful atmosphere.
孩子们欢快的笑声充满了公园，营造出一种愉快的氛围。
His cheerful disposition made him popular among his colleagues.
他乐观的性格使他在同事中很受欢迎。
The sunny weather put everyone in a cheerful mood for the outdoor picnic.
晴朗的天气让所有人都对户外野餐感到心情愉快。
The cheerful tune of the song instantly lifted my spirits.
那首欢快的歌曲立刻提振了我的精神。
Despite the long journey, the travelers remained cheerful throughout the trip.
尽管旅途漫长，但旅行者们在整个旅程中都保持着愉快的心情。
The cheerful decorator chose bright colors to enliven the dull room.
这位乐观的装饰师选择了鲜艳的色彩来使沉闷的房间焕发生机。
Their cheerful chatter echoed through the hallway as they headed to class.
他们朝教室走去时，欢快的谈笑声在走廊里回荡。
The cheerful salesperson greeted every customer with a warm smile and friendly attitude.
那位乐观的销售人员以热情的微笑和友好的态度欢迎每一位顾客。
The room was adorned with cheerful decorations for the birthday party, making it a memorable celebration.
房间里装饰着欢快的生日派对装饰品，使得这次庆祝活动令人难忘。