The engine is very noisy at high speed.

　　這個(gè)發(fā)動(dòng)機(jī)轉(zhuǎn)速高時(shí)噪音非常大。

　　Our next-door neighbours are very noisy.

　　我們隔壁的鄰居非常吵。

　　This area can be very noisy at night-time.

　　這個(gè)地方夜間有時(shí)會(huì)非常吵。

　　A group of noisy children tumbled out of the bus.

　　一群吵吵嚷嚷的孩子一窩蜂地下了公共汽車。

　　She found their laughter and noisy games coarse and rather vulgar.

　　她覺得他們的笑聲和吵吵鬧鬧的游戲趣味低下，俗不可耐。