名词短语
中文翻译：排便困难
同义词：
['obstacle', 'difficulty', 'impediment例句：1. The patient had a difficult time defecating after the surgery.（手术后，病人排便很困难。）']
例句：
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1. The patient had a difficult time defecating after the surgery.
手术后，病人排便很困难。
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2. The child was struggling with constipation and had difficulty in defecating.
孩子便秘，排便有困难。
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3.The elderly person found it difficult to defecate due to poor mobility.
由于行动不便，这位老人发现排便很困难。