226 川: river, stream: I crossed a small stream. 2211 小川: stream, brook: The stream is flowing smoothly. 2452 図る: strive for, work to: From now on we'll work to streamline management. 4450 上流: upstream: There is a waterfall upstream. 4451 下流: downstream: There is a small waterfall downstream. 4455 流れ: flow, stream: The river flows fast upstream. 6037 下: lower part; lower stream: There are some carp downstream in this river. 7314 連ねる: join; put in a row: A stream of motorcycles went touring. 8447 伝う: follow; go along: Tears streamed down her cheeks.