word gets around idiom       
 (UK also word gets round/about)(消息)迅速传开 
When word gets around, news spreads fast within a group of people.
  "I hear you were having drinks with a tall, dark, handsome man last night." "Wow, word gets around fast, doesn't it?" “我听说你昨晚和一个高大帅气、皮肤略黑的男子一起喝酒?”“天哪,消息传得可真快,不是吗?” 
 She doesn't want word getting around the office that she's pregnant. 她不想让办公室里的人知道自己怀孕的事。