pin up

名词 pin up:

1. a very pretty girl who works as a photographer's model
   同义词：cover girl, pin-up, lovely

动词 pin up:

1. attach with or as if with a pin
   同义词：pin down

1. Each time my girl friend buys a new dress and the skirt is too long, I have to pin up the hem for her.
   每当我女朋友买新服装而下摆太长时，我就得替她把底边别起来。
2. As the skirt was too long for her, she had to pin up the hem.
   她嫌裙子太长，只得用针把裙边别起来。