jǐng / fāng / fā / xiàn / yǒu / rén / móu / cì / shì / zhǎng / de / jì / huà / hòu / lì / jí / jiā / qiáng / le / ān / bǎo警方发现有人谋刺市长的计划后,立即加强了安保。After the police discovered a plot to assassinate the mayor, they immediately increased security.