Make classrooms less noisy.

减少教室里德吵闹声。

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Tight passenger and cargo space make road trips more complicated, especially for families, and small cars are often noisy and choppy at high speeds.

紧凑的车厢和后备箱设计使得家庭旅行变得棘手，而且在高速行驶时往往会带有很大的噪音和很强的颠簸感。

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Once the opposition's leader, Silvio Berlusconi, had declared the scheme for constitutional reform to be dead, every party in parliament decided it was time to make its own noisy points.

ECONOMIST: Italy��s government soldiers on, but for how long?

The net neutrality battle has overwhelmed the agency since Chairman Genachowski first took office, and there was no sign of a resolution that would make any of the increasingly noisy rabble-rousers on either side happy.

FORBES: Deep in the Net Neutrality Trenches

It had been 10 years since the Irish last qualified for a major tournament and their noisy fans seemed keen to make up for lost time, but with less than three minutes gone they were silenced by a Croatia goal.

CNN: Cesc Fabregas rescues point for Spain