pear-shaped       
adjective uk/ˈpeə.ʃeɪpt/ us/ˈper.ʃeɪpt/
 梨形的
shaped like a pear
  a pear-shaped physique 梨状体形 
 Idiom   
go pear-shapedidiom UK informal (计划)失败,泡汤
If a plan goes pear-shaped, it fails.
  We'd planned to go away for the weekend, but it all went pear-shaped. 我们本打算周末外出度假,但是一切都化为泡影了。