He has a wistful look.他神情怅惘。

He gave Brian a wistful smile.他向布赖恩怅然若失地笑了下。

He sighed, his deep blue eyes looking wistful.他叹了口气, 深邃的蓝眼睛看上去很惆怅。

What makes me feel rather wistful is that there is no one in whom I can confide.让我备感惆怅的是, 没有一个让我可以袒露心扉的人。

I can't help feeling slightly wistful about the perks I'm giving up.我不禁为放弃了特殊待遇而感到有点儿失落。