etiquette
US
UK etiquette n: (social conventions) (社交礼节)
SC 礼节，礼仪 lǐ jié ，lǐ yí
It's important to observe the etiquette of countries that you visit.
etiquette n: (official conventions) (官方礼节)
SC 礼节，礼仪 lǐ jié ，lǐ yí
Etiquette required that I sit next to the ambassador's wife.
cough etiquette n: informal (respiratory hygiene measures)
SC 咳嗽礼仪