pantomime

1. N-SING If you say that a situation or a person's behaviour is a pantomime, you mean that it is silly or exaggerated and that there is something false about it. 閙劇[英國英語]

They were made welcome with the usual pantomime of exaggerated smiles and gestures. 他們以那種具有誇張的微笑和動作的一般閙劇受到歡迎。