Outside of your own house, even on your front porch, it's practically impossible to shoot somebody who's unarmed and get away with a self-defense claim.

在自家门外，即使在门廊，朝徒手的人开枪再声称自卫以逃脱罪责几乎是不可能的。

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Under those conditions photographers shoot with a fast exposure time and small aperture. That makes it impossible to capture faint objects in a dark background, such as stars.

在这种情况下拍摄者会使用很短的快门时间并调小光圈，这样就不可能拍摄到黑色背景上那些很暗的物体，如星星。

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What all this shows is that despite Paulson's efforts to shoot a silver bullet into the heart of the financial market turmoil, it's difficult if not impossible to succeed when the target is zigzagging as much as it is.

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