Once again, though, the us faces some serious competition.

不过，美国这一次仍然面临着激烈的竞争。

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They told us once again that the situation was serious.

他又一次告诉我们说形势是严重的。

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The wife is very serious seriously before him say: I want to and another man married Rachel once again!

老婆很严肃正经地在他面前表示：我想和另一个男人再结一次婚！

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Air quality in China's capital, Beijing, has once again hit serious levels, with thick smog and a sandstorm blanketing the city.

BBC: Smog and sandstorm engulf China's capital

The case of gynaecologist Richard Neale once again raises serious questions about how effective the General Medical Council (GMC) is at regulating the medical profession.

BBC: Neale case puts spotlight on GMC

Our best scientists and public health officials (FDA, EPA, state and local health departments) are once again quite serious about protecting us, and they have the expensive equipment to do so, measuring radiation in milk, water and food down to a single picocurie.

FORBES: The Cost Of Minuscule Levels Of Radiation