“ruffle a few feathers”别理解成“弄乱一些羽毛”，真实含义是使（某人）心烦意乱；使（某人）生气；使（某人）恼怒。

【例句】
She knows how to ruffle his feathers. Stay away from her.
她知道怎样去惹他恼怒。离她远一点儿！

All this talk of a strike has clearly ruffled the management’s feathers.
关于罢工的谈论很显然是管理层非常恼怒。