"look sharp" meaning in English

{
  "forms": [
    {
      "form": "looks sharp",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "looking sharp",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "looked sharp",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "looked sharp",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "look sharp (third-person singular simple present looks sharp, present participle looking sharp, simple past and past participle looked sharp)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "glosses": [
        "Pay attention; be alert."
      ],
      "id": "en-look_sharp-en-verb-bMPqB5~6",
      "raw_glosses": [
        "(chiefly imperative) Pay attention; be alert."
      ],
      "tags": [
        "imperative"
      ]
    },
    {
      "categories": [
        {
          "_dis": "30 70",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "23 77",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "18 82",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "ref": "1886, Lim Hiong Seng, Handbook of the Swatow Vernacular, Singapore: Koh Yew Hean Press:",
          "text": "Have you made a fire in the grate? / Not yet, I am just going to make one. / Look sharp, it is very cold, and make the fire very fierce.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Hurry up; work quickly."
      ],
      "id": "en-look_sharp-en-verb-S0V0bJni",
      "links": [
        [
          "Hurry up",
          "hurry up"
        ]
      ],
      "raw_glosses": [
        "(chiefly imperative) Hurry up; work quickly."
      ],
      "synonyms": [
        {
          "word": "look snappy"
        }
      ],
      "tags": [
        "imperative"
      ]
    }
  ],
  "word": "look sharp"
}

{
  "categories": [
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English verbs",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "forms": [
    {
      "form": "looks sharp",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "looking sharp",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "looked sharp",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "looked sharp",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "look sharp (third-person singular simple present looks sharp, present participle looking sharp, simple past and past participle looked sharp)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "glosses": [
        "Pay attention; be alert."
      ],
      "raw_glosses": [
        "(chiefly imperative) Pay attention; be alert."
      ],
      "tags": [
        "imperative"
      ]
    },
    {
      "categories": [
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "1886, Lim Hiong Seng, Handbook of the Swatow Vernacular, Singapore: Koh Yew Hean Press:",
          "text": "Have you made a fire in the grate? / Not yet, I am just going to make one. / Look sharp, it is very cold, and make the fire very fierce.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Hurry up; work quickly."
      ],
      "links": [
        [
          "Hurry up",
          "hurry up"
        ]
      ],
      "raw_glosses": [
        "(chiefly imperative) Hurry up; work quickly."
      ],
      "synonyms": [
        {
          "word": "look snappy"
        }
      ],
      "tags": [
        "imperative"
      ]
    }
  ],
  "word": "look sharp"
}