dress suit

例句：

1. 1. He always dresses in a suit for work.
   他工作时总是穿一套西装。
2. 2. She decided to dress up for the party.
   她决定为派对盛装打扮。
3. 3.The suit was made from wool and had a satin lining.
   这套西装是用羊毛做的，里面还有缎面衬里。