Politicians are very busy when the election time comes.

选举期间，政客们都非常忙碌。

At election time, the senators are at the voters' mercy.

在选举期间，参议员们任选民的摆布。

Politicians bid for popular favour around election time.

的翻译是：政客在选举时争取民意。

At election time the party needs a lot of voluntary helpers.

大选时，该党需要许多义务帮忙的人。

At election time the party needs a lot of voluntary helpers.

大选时，该党需要许多义工帮忙。