gape  
verb [ I ] uk/ɡeɪp/ us/ɡeɪp/
  (LOOK)      
  目瞪口呆地看,瞠目结舌地注视
to look in great surprise at someone or something, especially with an open mouth
  They stood gaping at the pig in the kitchen. 他们站在那里目瞪口呆地看着厨房里的那头猪。 
   (OPEN)      
 张开;裂开
to be or become wide open
  Peter's jacket gaped at the seams. 彼得的夹克衫开了线,裂了一个口子。