Definition of rock cake

rock cakenoun

bánh đá

/ˈrɒk keɪk//ˈrɑːk keɪk/

namespace

Idioms

be like/as safe as Fort Knox
to be strongly built, often with many locks, strong doors, guards, etc., so that it is difficult for people to enter and the things kept there are safe
  • This home of yours is like Fort Knox.