如果快门速度较慢，则快门打开时，您或您的拍摄对象很可能会移动，从而导致照片出现运动模糊。

With slow shutter speed, it's more likely that you or your subject is going to move while the shutter is open, causing motion blur in your photo.

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从眼角我看见了玻璃窗另一边一个移动的模糊身影。

Out of the corner of my eye I saw a blur of movement on the other side of the glass.

《柯林斯英汉双解大词典》

但是这里一样有个缺点，那就是使用慢速快门时，如果你或者你的被摄主题有任何移动的话，你的照片中就会出现动态的模糊。

With a slow shutter speed it's more likely that you or your subject is going to move while the shutter is open, causing motion blur in your photo.

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