To actively participate in politics to try to affect the result of an election, usually by supporting a specific person or policy.
The mayor was accused of using public funds to electioneer for his re-election.
市長被指控使用公共資金為自己的連任進行競選活動。
To try to get public support for a political cause or idea.
The environmental group has been electioneering for stricter regulations on pollution.
環保組織一直在為更嚴格的污染管制進行競選活動。