燕雀處堂 [ㄧㄢˋ ㄑㄩㄝˋ ㄔㄨˋ ㄊㄤˊ; yan4 que4 chu4 tang2] lit. a caged bird in a pavilion (idiom); fig. to lose vigilance by comfortable living unaware of the disasters ahead a fool's paradise ◄ ►