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

　　她覺(jué)得他們的笑聲和吵吵鬧鬧的游戲趣味低下，俗不可耐。

　　A problem for manufacturers is that lighter cars tend to be noisy.

　　制造商遇到的一個(gè)問(wèn)題是重量較輕的汽車(chē)往往噪音大。

　　The marketplace was jammed with a noisy crowd of buyers and sellers.

　　集市上擠滿(mǎn)了吵吵嚷嚷的買(mǎi)東西和賣(mài)東西的人。