In breathing the chest muscles expand the rib cage and allow air to be sucked into the lungs.

呼吸时胸部肌肉使胸廓扩大让空气吸入肺部。

《牛津词典》

Even if you make a conscious effort to stay out of the fray, it's almost impossible not to be sucked in.

即使你有意识地努力避开冲突，但要完全不卷入其中几乎是不可能的。

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To be sucked in by a black hole, you need to reach its event horizon, the one-way boundary beyond which nothing can escape.

要被一个黑洞吸入，你必须抵达它的视界，即：超过这个边界任何都无法逃离的单程边界。

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Australian assistant boss Jim Stynes claimed that the Irish had allowed themselves to be "sucked in" by the "wrestling" in the early stages of the game.

BBC: SPORT | Northern Ireland | Gaelic Games | Boylan slams 'thuggish' Aussies

Its strategists were also intensely aware that some enemies to US interests might take a crisis in one part of the world that sucked in the US military to be a green light to start trouble in another.

BBC: Re-ordering of priorities in new US defence strategy

Such aerosol-induced clouds, however, would have silver linings if they formed near a hurricane because the rising air that created them would carry away heat that would otherwise be sucked in to fuel the storm.

ECONOMIST: Saturday-night showers