Xi Yan cannot help
Contents
Xi Yan feel
　　Explanation: Xi Yan still made no observation. Confirming clear, "said the birthday of a child poetic language" the second volume: "Man to Man-change, I do not know from when a horse Wu Yan, Yan Xi feel, special can blame it?."
No. 2
　　【解释】：犹言习焉不察。 清 沈德潜 《说诗晬语》卷下：“改漫爲熳，不知起於何时？焉乌成马，习焉不觉，殊可怪也。”