cheerful
adj. /ˈtʃɪrfl/ B1
快乐的；令人愉快的
Happy and showing it in your behaviour.
仙境例句
The Eaglet sang a cheerful little song as it swam along.
小鹰一边游，一边唱着一支快活的小曲。
巴菲特芒格原话
That’s a cheerful thought that equities are the best of a bad lot of available opportunities.在一堆糟糕的选择里，股票算是最好的那个——这想法还真是“鼓舞人心”啊。
Charlie Munger · 2010