Denshi Jisho — Online Japanese dictionary

Found 4 sentences.

今年コレラ患者多発した There have been many cases of cholera this year.
博多新幹線時間通りに到着した The Shinkansen from Hakata pulled in just on time.
暴力脅しによって金品奪い去る事件多発している Also many incidents of robbery by threats and violence are occurring.
勝手に水質検査行ったあげく浄水器売りつけるなど悪質な訪問販売多発しています There are frequent instances of malicious door-to-door selling, such as pushing water purifiers on people after carrying out water quality tests without permission.