cheer的形容词词形式

例句：

He felt homesick, but made a brave attempt to appear cheerful.

他很想家，但却竭力表现得很高兴。

She's had a lot of problems since her husband died but she seems quite cheerful, all things considered.

自从丈夫死后，她面临很多困难，但总的`.来说她看上去情绪还是挺乐观的。

We found a cheap and cheerful cafe.

我们找到了一家价格低廉、环境宜人的咖啡馆。

He's changed since he came back — he seems positively cheerful

他回来后变了个样，看起来确实很高兴。

There is little evidence to support many of Mr Will's cheerful assumptions.

没有多少证据能支持威尔先生的那些乐观设想。

I am happy and free, in good health, gay and cheerful.

我快活自由，身体健康，积极乐观。