排雷

páiléi
  1. (military) to clear landmines
  2. (fig.) (slang) to give people a heads-up; to warn others about bad experiences

CEDICT

slang

Entry Composition

1 排 pái
  1. a row
  2. a line
  3. to set in order
  4. to arrange
  5. to line up
  6. to eliminate
  7. to drain
  8. to push open
  9. platoon
  10. raft
  11. classifier for lines, rows etc
2 雷 léi
  1. thunder
  2. (bound form) (military) mine, as in 地雷 dìléi land mine
  3. (coll.) to shock; to stun; to astound
  4. (Tw) (coll.) spoiler
  5. (Tw) (coll.) to reveal plot details to (sb)