milk-and-water

milk-and-water

old-fashioned Weak, insipid, and/or lacking strength or determination. They accused him of having only milk-and-water policies that wouldn't upset either party. The studio refused to let me make anything but a milk-and-water version of the documentary.
Farlex Dictionary of Idioms.

milk and water

feeble, insipid, or mawkish.
See also: and, milk, water
Farlex Partner Idioms Dictionary
See also:
  • milk and water
  • fashion
  • (draw the sword and) throw away the scabbard
  • an old fogey/fogy
  • a stuffed shirt
  • (Well,) I'll be durned!
  • a bit of crackling
  • I'll be bound
  • a bad quarter of an hour