水 ㄕㄨㄟ ˇ shuǐ 到 ㄉㄠ ˋ dào 渠 ㄑㄩ ˊ qú 成 ㄔㄥ ˊ chéng lit. where water flows, a canal is formed (idiom) fig. when conditions are right, success will follow naturally