N-COUNT
（如旅鼠般）盲目從眾者，隨大流者
If you say that a large group of people are acting like lemmings, you are critical of them because they all follow each other into an action without thinking about it.
例句
The French crowds pour like lemmings down the motorway to Paris.
一群群法國人像旅鼠一樣涌上通往巴黎的高速公路。