Make sure the lid is on.

要注意盖上盖子。

《牛津词典》

The government is keeping the lid on inflation.

政府正在控制通货膨胀。

《牛津词典》

When the lid of the nest box on an ant colony is raised, a whiff of dead cockroach wafts by.

当蚁群的巢箱盖子被揭开时，一股死蟑螂的气息扑面而来。

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The thermos, with the lid on top, It's not a open system your coffee is going to stay warm or hot in the thermos.

顶部盖了盖子的热水瓶，不是开系,你希望你的咖啡在热水瓶里面保持温暖,或滚烫。

麻省理工公开课 - 热力学与动力学课程节选

The case has become an international scandal and London is at its centre because the man who blew the lid on it is a UK citizen living in the capital.

BBC: Is Russian crime arriving on UK shores?

So, part of Secretary of Defense Leon Panetta's job at the moment is to keep the lid on and keep American forces out of action - and he reinforced that point at a Pentagon news conference.

BBC: Obama steers cautiously on Iran

Indeed, keeping the lid on these divisions is already proving to be a headache for Donald Dewar, the Scottish secretary.

ECONOMIST: Scottish politics