persistent

continuing; continuing to do something in a determined way อย่างต่อเนื่อง, ดื้อ, ไม่ลดละ, ไม่ย่นย่อ

Gen Prayuth said his prime concern is persistent rain which would cause mountain runoff, increase the risk of mudslides and slow flood drainage to the sea.

24 ministry-run schools in Pathum Thani, Nonthaburi and Nakhon Pathom remained closed because of persistent high floodwater levels in their campuses.

Bangkok police chief Pol Lt Gen Winai Thongsong is called ``The Gambler-buster'' for his persistent attempts to suppress illegal casinos, including the well-established Tao Pun gambling den in Bangkok which was raided a few days ago.