/ˈwɪstfʊl/ adj.+ look, smile失意的；惆怅的
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。
to look wistful看起来怅然若失
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。
to feel wistful感觉惆怅
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。