She wasn 't the cheeriest person in the world , either .

她也不是个乐观的人。

Find their home to be the cheeriest place in the world .

觉得他们的家是世界上最快乐的地方。

Even the cheeriest analysts expect that average house prices will continue to fall this year .

最乐观的分析师也认为今年内房价会继续下跌。