a sweet cold dish consisting of a layer of fruit and cake, a layer of custard (= thick, sweet, yellow sauce) and a top layer of cream

a sherry trifle 雪利酒浸果酱松糕

a matter or object of little value or importance

I brought a few trifles back from India - pieces of jewellery and fabric mainly. 我从印度带回了几样小玩意儿——主要是些首饰和布料。

slightly

I'm a trifle confused about the arrangements for tonight. 我对今晚的安排有点儿不太明白。