だらだら坂ざか

noun

long gentle slope

Describes a slope that is not steep but continues for a long distance, often tiring to walk or cycle up. The だらだら part suggests a tedious, drawn-out quality.

• この道みちはずっとだらだら坂ざかが続つづいていて、自じ転てん車しゃだと結けっ構こうきつい。

  This road is a long, gentle slope all the way, and it's pretty tough on a bicycle.