幸灾乐祸
English Expression:
  1. vi.  crow
  2. n.  schadenfreude
  3. n.  be glad when sb. is in difficulty
  4. n.  take pleasure in other's misfortune
  5. v.   rejoice in the calamity of others
French Expression:
  1. v.  se réjouir du malheur d'autrui