是be noisy,be动词后面跟形容词,例如:

1、A problem for manufacturers is that lighter cars tend to be noisy.制造商们遇到的一个问题是,重量较轻的汽车往往噪音大。

2、This area can be very noisy at night-time.这个地方夜间有时会非常吵。

3、When students first heard about this idea, they thought the container apartments would be small, noisy, and cold.当学生们第一次听说这个想法时,他们认为集装箱公寓会很小,很吵,很冷。