77 蛇爬無聲, 蛇爬無聲 奸計無影。 奸計無影 指陰謀如蛇的爬行, 指陰謀如蛇的爬行 不露聲色, 不 留痕跡。 不露聲色 不留痕跡 A snake makes no sound; a plot casts no shadows. Plots and schemes are as insidious as a snake. 88