礼仪上 meaning in English

ceremonially

I was overcome with ceremonial feelings but unable to remember the proper formula .
我情不自禁地被礼仪上的情感控制住了，可是想不起恰当的客套话。
It ' s de rigueur for him and her
这是他和她礼仪上需要的
You know , there ' s that whole tradition : the first dance at the reception
你知道的啦，传统礼仪上，新郎新娘要在婚礼招待会上跳第一支舞。
For example , sometimes you hug someone , and if you love him or her , they will feel different than when you just hug out of social etiquette , like , yes , hello , how are you
就像你抱一个人，如果你是因为爱他们的关系，他们的感觉会不一样，和社交礼仪上互相拥抱不一样，不是那种光讲嗨！