你并不知道每日打照面的人曾受过何种创伤。

You have no idea what kind of trauma people walk around with on a daily basis.

熟人打照面的时候，礼仪动作的重要远远超过致词。

Bumping into an acquaintance, when the important ritual action far more than speech.

世尊曾说，当你们到了城里去乞讨时，千万不要跟女生直接打照面。

Buddha said that you don't greet woman when you beg for food in downtown.