silk /sɪlk/► SEE ALLmake a silk purse out of a sow’s ear(as) smooth as silk ●make a silk ˌpurse out of a sow’s ˈearsucceed in making sth good out of material that does not seem very good at all用劣材制精品；化腐朽为神奇◆If you’re serious about taking up painting, invest in good quality brushes and canvas. After all, it’s no good trying to make a silk purse out of a sow’s ear. 如果你真想搞绘画，就花钱买质量好点的画笔和画布。毕竟劣材难成器。●(as) smooth as ˈsilk ( (as) smooth as a baby’s ˈbottomhumorous) very smooth如丝般光滑；光滑得像小孩子的屁股◆He had just shaved and his face was as smooth as a baby’s bottom.他刚刚刮过脸，脸上光溜溜的。