"魚心あれば水心あり" meaning in Japanese

{
  "etymology_text": "Literally, \"if the water is kind to the fish, the fish will be kind to the water\".",
  "forms": [
    {
      "form": "魚心あれば水心あり",
      "ruby": [
        [
          "魚",
          "うお"
        ],
        [
          "心",
          "こころ"
        ],
        [
          "水",
          "みず"
        ],
        [
          "心",
          "こころ"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "uo kokoro areba mizu kokoro ari",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "idiom",
        "2": "うお こころ あれば みず こころ あり"
      },
      "expansion": "魚(うお)心(こころ)あれば水(みず)心(こころ)あり • (uo kokoro areba mizu kokoro ari)",
      "name": "ja-pos"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "if you show someone favor, they will show favor to you in return"
      ],
      "id": "en-魚心あれば水心あり-ja-phrase-oaVfV-TI",
      "synonyms": [
        {
          "word": "魚心あれば水心"
        }
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "word": "魚心あれば水心あり"
}

{
  "etymology_text": "Literally, \"if the water is kind to the fish, the fish will be kind to the water\".",
  "forms": [
    {
      "form": "魚心あれば水心あり",
      "ruby": [
        [
          "魚",
          "うお"
        ],
        [
          "心",
          "こころ"
        ],
        [
          "水",
          "みず"
        ],
        [
          "心",
          "こころ"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "uo kokoro areba mizu kokoro ari",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "idiom",
        "2": "うお こころ あれば みず こころ あり"
      },
      "expansion": "魚(うお)心(こころ)あれば水(みず)心(こころ)あり • (uo kokoro areba mizu kokoro ari)",
      "name": "ja-pos"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese idioms",
        "Japanese lemmas",
        "Japanese links with redundant wikilinks",
        "Japanese terms spelled with first grade kanji",
        "Japanese terms spelled with second grade kanji",
        "Japanese terms with redundant sortkeys",
        "Japanese terms written with four Han script characters"
      ],
      "glosses": [
        "if you show someone favor, they will show favor to you in return"
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "魚心あれば水心"
    }
  ],
  "word": "魚心あれば水心あり"
}