视若路人

Explanation: As strangers on the road. Refers to a very distant relatives or acquaintances. 　　Usage: Verb-object type; for the predicate; means estrangement 　　Source: Mingling 濛 early "first moment Pai An Jing Qi" Volume 13: "Man then seen as passers-by, and even so the enemies, corruption Yi Lun, extinction of justice." 　　Examples: ~, To hunger and eat cold temperature, no report language. ★ Qing Ji Yun "Notes of Summer recorded a six-Luan Yang" 　　Riddle: Visiting fellow traveler