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.
市长被指控使用公共资金为自己的连任进行竞选活动。
To try to get public support for a political cause or idea.
The environmental group has been electioneering for stricter regulations on pollution.
环保组织一直在为更严格的污染管制进行竞选活动。