The children's performances brought down the house.
孩子们的演出博得满场喝彩。
Never cast your pearls before swine.
不要把珍贵之物送给不识货的人;勿明珠暗投;勿对牛弹琴。
The parquet floors shone like mirrors; highly polished silver was displayed in gleaming glass cabinets; even my uncle's huge collection of books was kept miraculously free from dust.