这是这座城市几十年来最重要的市长竞选。

This is the city's most important mayoral ___contest in decades.

在上次选举中，他勉强赢得了一场与政治新手的激烈角逐。

In the last election, he survived a close ___contest against a political newcomer.

她决定参加总统竞选，以挑战现任者。

She decided to enter the presidential ___contest to challenge the incumbent.