"Her smile betrayed her true feelings"
"Judas sold Jesus"
"The spy betrayed his country"
"His sense of smell failed him this time"
"His strength finally failed him"
"His children failed him in the crisis"
"She cheats on her husband"
"Might her husband be wandering?"
"He told on his classmate who had cheated on the exam"
"The insurance company deceived me when they told me they were covering my house"