"обостриться" meaning in 俄语

{
  "lang": "俄语",
  "lang_code": "ru",
  "pos": "unknown",
  "senses": [
    {
      "glosses": [
        "(面部)瘦削起来"
      ],
      "id": "zh-обостриться-ru-unknown-mb7FQKN1"
    },
    {
      "glosses": [
        "(感觉、感受等)敏锐化，锐利起来"
      ],
      "id": "zh-обостриться-ru-unknown-gsVzHobx"
    },
    {
      "glosses": [
        "更加激化，更加尖锐，更加紧张"
      ],
      "id": "zh-обостриться-ru-unknown-ICacYpBC"
    },
    {
      "glosses": [
        "(病情、疼痛等)加重，加剧"
      ],
      "id": "zh-обостриться-ru-unknown-CV0yKBQ3"
    }
  ],
  "word": "обостриться"
}

{
  "lang": "俄语",
  "lang_code": "ru",
  "pos": "unknown",
  "senses": [
    {
      "glosses": [
        "(面部)瘦削起来"
      ]
    },
    {
      "glosses": [
        "(感觉、感受等)敏锐化，锐利起来"
      ]
    },
    {
      "glosses": [
        "更加激化，更加尖锐，更加紧张"
      ]
    },
    {
      "glosses": [
        "(病情、疼痛等)加重，加剧"
      ]
    }
  ],
  "word": "обостриться"
}