tinsel
/ˈtɪnsl; `tɪnsl/ n[U]
1 glittering metallic substance used in strips or threads as a decoration （装饰用的）光片, 金属线
decorate a Christmas tree with tinsel 用光亮金属片装饰圣诞树
a dress trimmed with tinsel 饰有光片的连衣裙.
2 (derog 贬) superficial brilliance or glamour 表面的光彩或魅力.