safe bet
уверенность, несомненный факт (досл. ставка на лошадь, которая непременно выиграет)
Thompson's project change proposal is a safe bet and I am sure we should accept it.
Другие идиомы:
- arrow in one's quiver
- at this stage of the game
- ballpark estimate/figure
- beat the gun
- behind the eight ball
- beyond one's depth
- blow the whistle on someone
- bounce something (an idea) off someone
- carry the ball
- clear a hurdle
- come out of left field
- cover all of one's bases
- be cricket
- dive right into something
- down/out for the count