Froriep's induration

例句：

1. 1. The patient's conditionhas not improved despite the doctor'sefforts.
   尽管医生的努力，病人的状况仍未改善。
2. 2. The team's lack of induration is a major concern for their coach.
   球队缺乏活力是教练们最担心的问题。
3. 3. The old man's indurationmade it difficult for him to walk.
   老人的不活跃使得他难以行走。