Compounds of 天秤に掛ける

• 天秤に掛ける
  (exp,v1) (1) to compare and contrast two alternatives
  to weigh the relative merits of A and B
  to weigh one's options
  (2) to try to have it both ways
  to try to sit on two stools
• 両天秤に掛ける
  (exp) to try to have it both ways
  to try to sit on two stools