例：
He felt homesick, but made a brave attempt to appear cheerful.
他很想家，但卻竭力表現得很高興。
She's had a lot of problems since her husband died but she seems quite cheerful, all things considered.
自從丈夫死后，她面臨很多困難，但總的來說她看上去情緒還是挺樂觀的。
We found a cheap and cheerful cafe.
我們找到了一家價格低廉、環境宜人的咖啡館。
He's changed since he came back — he seems positively cheerful
他回來后變了個樣，看起來確實很高興。
There is little evidence to support many of Mr Will's cheerful assumptions.
沒有多少證據能支持威爾先生的那些樂觀設想。
I am happy and free, in good health, gay and cheerful.
我快活自由，身體健康，積極樂觀。