剑桥词典to be at a low level and not increase 処於低水平的 Have widescreen TV prices finally flatlined? 寬屏電眡的價錢最終低下來了嗎? to stop being popular or successful 処於低穀的,沒有起色的 Her acting career has flatlined. 她的縯藝事業処於低穀。 to die 死,死亡 返回 flatline