adj.高兴的;令人愉快的;乐观的;
例句:
She was somehow able to look sad and cheerful at the same time.
她能够做出又悲又喜的神情。
This state of things holds out a cheerful prospect.
事态呈现出可喜的前景.
That's a cheerful remark.
[反]听了真叫人莫明其妙.