Explanation: Metaphor a stable life and lose vigilance. Also a metaphor doom and they do not know. With songbirds at the Church. " Source: "On the potential Kong Cong Son" at the house sparrow, picture-security-feeding, Xu Xu Yan is also the phase music, thinking that security men; stove sudden inflammation, the buildings will be burning buildings, songbirds color change, I do not know of the disaster and also . "
yàn què chǔ wū
Sparrow nests in the classroom. Metaphor at risk without realizing it
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No. 3
House sparrow Department of bomb-phase feeding, Xu Xu Yan of its phase of fun, safety and carry on from that; lesions on conflict resolution, Dong Yu will burn, sparrow color change, I do not know the will and had trouble also. - Hon Kong carp "Son of Kong Cong potential"
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No. 4
Also as "a sparrow Department Tong"
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No. 5
See "brambling Department Church."
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No. 6
成语发音： yàn què chǔ wū
成语释疑： 比喻生活安定而失去警惕性。也比喻大祸临头而自己不知道。同“燕雀处堂”。
成语出处： 《孔丛子·论势》：“燕雀处屋，子母安哺，煦煦焉其相乐也，自以为安矣；灶突炎上，栋宇将焚，燕雀颜色不变，不知祸之将及也。”