ㄕㄨㄟˇㄓㄤˇㄔㄨㄢˊㄍㄠshuǐzhǎng‑chuángāo

水涨船高
  1. 隨著水位上漲升高比喻基礎升高憑藉事物升高 由於貨源短缺價格水漲船高」。

the tide rises, the boat floats (idiom)​; fig. to change with the overall trend, to develop according to the situation