不同的地方有不同的意思,看例句She asked us not to be noisy for fear of waking the baby. 她要我们别吵闹,惟恐吵醒婴儿. dict.veduchina.com She asked us not to be noisy, for fear of waking the baby. 她叫我们不要闹,因为担心把婴儿吵醒. dict.veduchina.com A problem for manufacturers is that lighter cars tend to be noisy. 制造商面临的一个问题是轻型汽车常有噪音大的毛病. www.***.com
to be noisy 是啥意思