然而，攀岩者必须注意不要污染环境。

Climbers, however, must be careful not to pollute the environment.

youdao

组织者呼吁人群不要惊慌。

Organizers appealed to the crowd not to panic.

《牛津词典》

他告诉支持者们即使他在总统竞选中处于优势也不要松劲。

He told supporters not to ease up even though he's leading in the presidential race.

《柯林斯英汉双解大词典》

Another is the admonition not to throw your pearls before swine, not to preach to those who can't hear, or won't be perceptive.

第二个是一句警句：,不要在猪的面前乱扔你的珍珠，不要对那些失聪者，和不可感化者布道。

耶鲁公开课 - 1945年后的美国小说课程节选