too close to call
невозможно предсказать исход (соревнования, выборов, и т.д.)
The election was too close to call until the very last hour.
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