ditchwater的中文翻譯是什麼意思

The lecture was as dull as ditchwater.

那次講座非常呆板乏味.

I tried to read her latest book but found it as dull as ditchwater.

我試著讀她最新的書,但發現那本書非常單調乏味.

This novel is as dull as ditchwater, it doesn't have any decent plots.

這部小說的情節真乾巴,沒什麼故事性.