ㄌㄡˋㄒㄧㄢˋlòuxiàn

露馅
  1. 比喻隱祕暴露出來 假帳一對露餡」、謊話當眾露餡」。

to leak, to expose (sb's secret)​, to spill the beans, to let the cat out of the bag
fuiter, exposer (le secret de qqn)​
to give something away (S)​