happy and positive

He's usually fairly cheerful. 他总是乐呵呵的。

You're in a cheerful mood this morning. 今天早上你心情不错嘛。

She manages to stay cheerful (= happy and positive) despite everything. 尽管事事不顺心，她仍然努力保持愉快的心情。

used to describe a place or thing that is bright and pleasant and makes you feel positive and happy

The doctor's waiting room was bright and cheerful with yellow walls and curtains. 医生候诊室的墙壁和窗帘都是黄色的，给人明亮宜人的感觉。

Turn that dreadful wailing music off and put on something cheerful. 把那可怕的哀号似的音乐关掉，放点让人高兴的。