AP News:白宫称特朗普总统取得胜利

1.He held off a stiff challenge from Democrat Beto O'rourke.

stiff严峻的
She faces stiff competition in the Best Actress category.
她在最佳女演员这个奖项上面临着激烈的竞争。

2.Florida Senate race went through the night too close to call.

too close to call难分伯仲

U.S. television networks said immediately after voting ended that the race in California was too close to call in both parties.
在投票结束后美国电视广播公司立即宣布两党在加州的竞争结果很难预料。