因为他们很吵英文

很吵的英语是very noisy或very loud看你用在什么场合了。例如:It is very noisy outside.外面很吵

It was difficult for me to hear what he is saying,because the children is making noise all the time More people should be encouraged to take part in activities like this. The show was wonderful from the beginning to the end We raised much money thanks to the supports from many people.