People who are overweight may have difficulty breathing, walking or sitting.

超重的人会导致呼吸，走路或者坐的困难。

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Many pigs have difficulty in walking and getting up as there is too much meat on their legs, and some are simply not able to get up at all.

很多猪由于腿上肉太多，走路和起身都很困难，有的根本站不起来。

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One of the great things about walking outdoors is that you can use hills and steps to add some difficulty, thus burning more calories, and toning your muscles.

户外步行的一个难得好处就是，您可以利用户外的小山、台阶来给自己身体增加难度，从而燃烧更多的卡路里，并调节肌肉。

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These include trouble walking, weakness especially on one side of the body, difficulty seeing and difficulty speaking.

VOA: special.2009.08.12

He returned to Oxford, walking with difficulty because of what he said was a "war wound."

VOA: special.2010.01.03

They also include difficulty moving or keeping balanced while walking or standing.

VOA: special.2010.11.02

The 28-year-old said his right leg was left severely bruised below the knee and behind it and that he had difficulty walking for two months afterwards and that it had left him emotionally scarred.

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When I was first rushed to the emergency room, doctors were unsure what to make of my sweats and momentary difficulty in walking.

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The DfT guidelines state medical conditions such as autism do not qualify someone for a badge unless "they are unable to walk or have very considerable difficulty in walking".

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