completely; smoothAfter an action verb, it can mean doing something completely or wiping something out, as in ฆ่าให้เรียบ, “kill them all.” Literally, it can mean “make smooth,” as in ทำให้เรียบด้านซ้าย, “smooth the left side.”
TH: เก็บห้องให้เรียบก่อนแขกจะมา
EN: Clean up the room completely before the guests arrive.