ruffle
verb uk/ˈrʌf.əl/ us/ˈrʌf.əl/
[ T ]弄乱；弄皱；使不平整
to touch or move something smooth so that it is not even
She affectionately ruffled his hair with her hand as she passed. 她从他身边走过时，亲昵地伸手拂乱了他的头发。
The birds ruffled their feathers (up) in alarm. 鸟惊恐地竖起了羽毛。
[ T often passive ]使生气;使心烦意乱;使紧张
to annoy or upset someone, or to make someone very nervous
He's easily ruffled by criticism. 他受到一点批评都会恼羞成怒。
Idiom
ruffle someone's feathersidiom 使（某人）心烦意乱;使（某人）生气;使（某人）恼怒
to upset or annoy someone
She knows how to ruffle his feathers. 她知道怎样去惹他发火。
ruffle
noun [ C ] uk/ˈrʌf.əl/ us/ˈrʌf.əl/
褶裥饰边
a series of small folds made in a piece of cloth or sewn onto it, as decoration