even odds meaning in English

成败的机会相等
成败机会相等
机会相等

It ' s even odds / the odds are even that he ' ll be late
他有一半的可能性要迟到
He says chances are good that the virus will mutate and jump from birds to humans . " about even odds at this time for the virus to learn how to transmit human to human . " if that happened , a deadly pandemic could quickly spread around the world
“对于病毒来说，学习如何在人类间传播的成败机会均等（即病毒也有在人类间传播的可能），一旦这种情况发生，致命性的传染病就会迅速在全球蔓延。 ”
He says chances are good that the virus will mutate and jump from birds to humans . " [ there are ] about even odds at this time for the virus to learn how to transmit human to human . " if that happened , a deadly pandemic could quickly spread around the world
“对于病毒来说，学习如何在人类间传播的成败机会均等（即病毒也有在人类间传播的可能），一旦这种情况发生，致命性的传染病就会迅速在全球蔓延。 ”