They have difficulty walking or moving.
他们行动困难。
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。
The patient was perceived to have difficulty in standing and walking.
据观察所见，病人站立和行走都有困难。
Patients may also have a tired feeling in the legs or difficulty walking as a result of pinched nerves or tight hamstrings.
由于神经受压和肌腱紧张，病人会感觉下肢乏力，行走困难。
Patients may also have a tired feeling in the legs or difficulty walking as a result of pinched nerves or tight hamstrings.
由于神经受压和肌腱紧张，病人会感觉下肢乏力，行走困难。
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