单行dānxíng 1.就单一事项而实行的(条例等);仅在某个地方颁行和适用的(法规等)。{(of rules or regulations) be implemented for a particular situation; (of laws or regulations) made for or applied to a particular case} 2.单独降临{come singly}: 祸不～。{Misfortune never comes singly.} 3.单独印行{print singly}: ～本。{separate edition; offprint} 4.向单一的方向行驶{move in one direction}: ～线。{one-way road}