n.沟中的死水
The lecture was as dull as ditchwater. 这个学术报告枯燥无味。
I tried to read her latest book but found it as dull as ditchwater. 我试着读她最新的书，但发现那本书非常单调乏味。
He'd be sharper than serpent's tooth, if he wasn't as dull as ditchwater. 他如果不是一个枯燥乏味的人，就一定是个尖锐如蛇牙的人。
This novel is as dull as ditchwater, it doesn't have any decent plots. 这部小说的情节真干巴，没什么故事性。
No changes would be made and you would have nothing to fight against. Life would be as dull as ditchwater. 没有变化，你就没有为之抗争的东西，生活将极其乏味，就像地沟里的水一样。
