名詞 pin up:

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

動詞 pin up:

1. attach with or as if with a pin
   同義詞：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.
   每當我女朋友買新服裝而下擺太長時，我就得替她把底邊別起來。
2. As the skirt was too long for her, she had to pin up the hem.
   她嫌裙子太長，只得用針把裙邊別起來。