铁石心肠
英文解释:
  1. n.  obduracy
  2. n.  hard as nails
  3. n.  as hard as nails
  4. n.  hard as the nether mill stone
  5. n.  as hard as the nether mill stone
  6. n.  a heart of flint
  7. n.  as hard as a flint
  8. n.  a flinty heart
  9. n.  immovable heart
  10. n.  a heart of steel
  11. n.  heart of stone (=stony heart)
  12. n.  heart of flint(=stony heart)
  13. n.  iron-hearted
  14. n.  hard-hearted
  15.   4,5-benzopiazselenol
法文解释:
  1. adj.  avoir un cœur de fer et de pierre, coeur impitoyable, avoir cœur dur, être sans cœur (成语)