这位政治家成功竞逐连任。

The politician launched a successful ___bid for re-election.

为了减少交通拥堵，该市扩展了公共交通网络。

In a ___bid to reduce traffic congestion, the city expanded its public transport network.

他拼命试图按时完成项目。

He made a frantic ___bid to finish the project on time.