"подтянуться" meaning in 俄语

{
  "lang": "俄语",
  "lang_code": "ru",
  "pos": "unknown",
  "senses": [
    {
      "glosses": [
        "把(身上的腰带)束紧些"
      ],
      "id": "zh-подтянуться-ru-unknown-HIyZGdsI"
    },
    {
      "glosses": [
        "(用手攀着)引体向上"
      ],
      "id": "zh-подтянуться-ru-unknown-mc~hrxnb"
    },
    {
      "glosses": [
        "(不用一、二人称)(军队)集结(到); (船)靠拢，靠近"
      ],
      "id": "zh-подтянуться-ru-unknown-KtGuuVBs"
    },
    {
      "glosses": [
        "〈转，口〉有进步，有提高；赶上；严肃(或规矩)起来"
      ],
      "id": "zh-подтянуться-ru-unknown-IcybiU78"
    }
  ],
  "word": "подтянуться"
}

{
  "lang": "俄语",
  "lang_code": "ru",
  "pos": "unknown",
  "senses": [
    {
      "glosses": [
        "把(身上的腰带)束紧些"
      ]
    },
    {
      "glosses": [
        "(用手攀着)引体向上"
      ]
    },
    {
      "glosses": [
        "(不用一、二人称)(军队)集结(到); (船)靠拢，靠近"
      ]
    },
    {
      "glosses": [
        "〈转，口〉有进步，有提高；赶上；严肃(或规矩)起来"
      ]
    }
  ],
  "word": "подтянуться"
}