1.informalDL someone at a party, dance etc who is not asked to dance or take part in the activities 壁花〔指在聚会、舞会等中没被邀请跳舞或参加活动的人〕
2.HBPa sweet-smelling garden plant with yellow and red flowers 桂竹香〔庭园植物,气味清香,开黄色和红色的花〕
Examples from the Corpus
wallflower• Hey, there are even pastels like peach and lilac this season, so nobody has to be a wallflower.• The worst of fates was to be a wallflower passed over and rejected.• Sometimes, Joan was the dowdy, make-up-less wallflower with curves that looked more like sacks.• In fact you could say that I was a real wallflower.• Beyond that, she had shown that women were capable of being more than simperingwallflowers, or unpaid housekeepers.• They looked a little out of it, the wallflowers at the party.• It was cool and fresh in the summer, the back yardblooming with wallflowers and purple bells.