Glances will be made in either direction until eventually, if the feeling in both parties is mutual, the gaze will be held longer and this is then followed by a courtesy smile.

然后互相扫视。 最后，如果是王八瞅绿豆，对上眼了，凝视时间将会更长，接着是礼貌性的微笑。

youdao

Minimize status difference and insist on courtesy and mutual respect.

弱化职位差异，彼此尊重和礼貌。

youdao

All legislation,all government,all society is formed upon the principle of mutual concession, politeness,and courtesy.

VOA: special.2009.03.19